National Library of Energy BETA

Sample records for municipal solid-state street

  1. Municipal Solid-State Street Lighting Consortium Kickoff Webcast |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Webcasts » Municipal Solid-State Street Lighting Consortium Kickoff Webcast Municipal Solid-State Street Lighting Consortium Kickoff Webcast This May 6, 2010 webcast served as the first official meeting of the new DOE Municipal Solid-State Street Lighting Consortium. Ed Smalley of Seattle City Light and Bruce Kinzey of Pacific Northwest National Laboratory discussed the Consortium's mission and goals, and provided an overview of its first steps, and opportunities to

  2. Webcast: Municipal Solid-State Street Lighting Consortium Retrofit

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Financial Analysis Tool | Department of Energy Municipal Solid-State Street Lighting Consortium Retrofit Financial Analysis Tool Webcast: Municipal Solid-State Street Lighting Consortium Retrofit Financial Analysis Tool This April 3, 2012 webcast presented information about the Retrofit Financial Analysis Tool developed by DOE"s Municipal Solid-State Street Lighting Consortium. Doug Elliott of Pacific Northwest National Laboratory provided a guided walk-through of what the tool can do

  3. Frequently Asked Questions About the Municipal Solid-State Street Lighting Consortium

    Energy.gov [DOE]

    This page addresses many of the questions about the Municipal Solid-State Street Lighting Consortium.

  4. DOE Municipal Solid-State Street Lighting Consortium | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    DOE Municipal Solid-State Street Lighting Consortium DOE Municipal Solid-State Street Lighting Consortium The DOE Municipal Solid-State Street Lighting Consortium shares technical information and experiences related to LED street and area lighting demonstrations and serves as an objective resource for evaluating new products on the market intended for those applications. Cities, power providers, and others who invest in street and area lighting are invited to join the Consortium and share their

  5. Text-Alternative Version: Municipal Solid-State Street Lighting Consortium

    Energy Saver

    Kickoff | Department of Energy Kickoff Text-Alternative Version: Municipal Solid-State Street Lighting Consortium Kickoff Below is the text-alternative version of the Municipal Solid-State Street Lighting Consortium Kickoff webcast, held May 6, 2010. Terry Shoemaker: Welcome, ladies and gentlemen. I'm Terry Shoemaker with the Pacific Northwest National Laboratory, and I'd like to welcome you to today's webcast, Municipal Solid-State Street Lighting Consortium Kickoff Meeting. This is brought

  6. Text-Alternative Version: Municipal Solid-State Street Lighting Consortium Retrofit Financial Analysis Tool Webcast

    Office of Energy Efficiency and Renewable Energy (EERE)

    Below is the text-alternative version of the "Municipal Solid-State Street Lighting Consortium Retrofit Financial Analysis Tool" webcast, held April 3, 2012.

  7. Text-Alternative Version: Municipal Solid-State Street Lighting...

    Energy Saver

    the U.S. Department of Energy Solid-State Lighting Program. ... for that cities' LED Streetlight Conversion Program. ... And then there are also three charts provided at the bottom ...

  8. Frequently Asked Questions About the Municipal Solid-State Street...

    Office of Environmental Management (EM)

    on the needs of participants making investments in SSL street and area lighting products. ... DOE is congressionally mandated by the Energy Policy Act of 2005 to accelerate SSL ...

  9. Webcast: Municipal Solid-State Street Lighting Consortium Retrofit...

    Energy.gov [DOE] (indexed site)

    Laboratory provided a guided walk-through of what the tool can do and how to use it to evaluate costs and benefits associated with converting to LED street and roadway lighting. ...

  10. The Municipal Solid-State Street Lighting Consortium Public Outdoor Lighting Inventory: Phase I: Survey Results

    SciTech Connect

    Kinzey, Bruce R.; Smalley, Edward; Haefer, R.

    2014-09-30

    This document presents the results of a voluntary web-based inventory survey of public street and area lighting across the U.S. undertaken during the latter half of 2013.This survey attempts to access information about the national inventory in a “bottoms-up” manner, going directly to owners and operators. Adding to previous “top down” estimates, it is intended to improve understanding of the role of public outdoor lighting in national energy use.

  11. Municipal Consortium LED Street Lighting Workshop Presentations and

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Materials-Boston, MA | Department of Energy Boston, MA Municipal Consortium LED Street Lighting Workshop Presentations and Materials-Boston, MA This page provides links to the presentations given at the DOE Municipal Solid-State Street Lighting Consortium Workshop held in Boston August 2-3, 2012. Workshop Agenda DOE Municipal Solid-State Street Lighting Consortium James Brodrick, U.S. Department of Energy Boston's LED Street Lighting Initiative Joanne Massaro, Glenn Cooper, Matthew Mayrl,

  12. Municipal Consortium LED Street Lighting Workshop Presentations and

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Materials-Los Angeles, CA | Department of Energy Los Angeles, CA Municipal Consortium LED Street Lighting Workshop Presentations and Materials-Los Angeles, CA This page provides links to the presentations given at the DOE Municipal Solid-State Street Lighting Consortium Workshop held in Los Angeles April 19-20, 2012. Presentations and Materials Workshop Agenda City of Los Angeles: Changing Our Glow for Efficiency Ed Ebrahimian, City of Los Angeles Bureau of Street Lighting L.M. Seventynine:

  13. Municipal Solid-State Street Lighting Consortium

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    "Successful City Initiatives with Energy Efficiency and Conservation Block Grant (EECBG) Funding," ... market share * MSSLC website statistics * All above metrics used for ...

  14. Municipal Consortium LED Street Lighting Workshop Presentations and

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Materials-Dallas, TX | Department of Energy Dallas, TX Municipal Consortium LED Street Lighting Workshop Presentations and Materials-Dallas, TX This page provides links to the presentations given at the DOE Municipal Solid-State Street Lighting Consortium Workshop held in Dallas March 15-16, 2012. Presentations and Materials Workshop Agenda ONCOR LED Streetlight Pilot & Technical Evaluation Update Michael Navarro, ONCOR Reading, Understanding, and Applying the LM-80 Standard Chad

  15. Solid-State Lighting News | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Results of Public Street and Area Lighting Inventory Survey DOE's Municipal Solid-State Street Lighting Consortium (MSSLC) has released the results of a voluntary web-based...

  16. MidAmerican Energy (Electric)- Municipal Solid-State Lighting Grant Program

    Energy.gov [DOE]

    MidAmerican Energy offers grants to munipalities which implement solid-state roadway street lighting upgrades. Grants of up to $5,000 are available to participating entities who install eligible...

  17. Demonstration of LED Street Lighting

    SciTech Connect

    Kinzey, B. R.; Royer, M. P.; Hadjian, M.; Kauffman, R.

    2013-06-01

    GATEWAY program and Municipal Solid-State Street Lighting Consortium report on a demonstration of LED street lighting in Kansas City, MO.

  18. About the DOE Municipal Solid-State Street Lighting Consortium...

    Energy Saver

    Many of the planned demonstrations are similar except for geographic location (which impacts local climate), cost of electricity, and related details. SSL streetlights are still a ...

  19. Text-Alternative Version: Municipal Solid-State Street Lighting...

    Energy Saver

    ... There are many reasons to believe that shorter wave lengths can be beneficial. They can ... There's a discussion on power line communication as part of the smart grid, but a ...

  20. DOE Street Lighting Consortium Releases Results of Public Street...

    Energy Saver

    DOE's Municipal Solid-State Street Lighting Consortium (MSSLC) has released the results of a voluntary web-based inventory survey of public street and area lighting across the ...

  1. FirstEnergy (Potomac Edison)- Municipal and Street Lighting Program

    Energy.gov [DOE]

    FirstEnergy (Potomac Edision) offers several incentives for non-residential and municipal customers to upgrade traffic signals, pedestrian signals, street lights to more efficient  fixtures. The...

  2. Municipal Consortium LED Street Lighting Workshop Presentations...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    City of Los Angeles Bureau of Street Lighting San Jose's "Smart" LED Streetlights: Controlled Amy Olay, City of San Jose Adaptive Lighting Controls Panel David Bueno, ...

  3. DOE Street Lighting Consortium Releases Results of Public Street and Area Lighting Inventory Survey

    Office of Energy Efficiency and Renewable Energy (EERE)

    DOE's Municipal Solid-State Street Lighting Consortium (MSSLC) has released the results of a voluntary web-based inventory survey of public street and area lighting across the U.S., conducted...

  4. Member Case Studies: LED Street Lighting Programs in Algona (IA), Asheville (NC), and Boston (MA)

    Energy.gov [DOE]

    This May 8, 2013 webcast featured presentations from DOE Municipal Solid-State Street Lighting Consortium member cities about their experiences with LED street lighting. Presenters John Bilsten of...

  5. Municipal Consortium Releases Updated Model Specification for LED Roadway Luminaires

    Energy.gov [DOE]

    The U.S. Department of Energy's Municipal Solid-State Street Lighting Consortium (MSSLC) has released the first updated version of its Model Specification for LED Roadway Luminaires. A “living...

  6. Using the Street and Parking Facility Lighting Retrofit Financial Analysis

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Tool | Department of Energy Information Resources » Webcasts » Using the Street and Parking Facility Lighting Retrofit Financial Analysis Tool Using the Street and Parking Facility Lighting Retrofit Financial Analysis Tool This August 22, 2013 webinar provided a guided walk-through of the Street and Parking Facility Lighting Retrofit Financial Analysis Tool. Developed by a partnership of the DOE Municipal Solid-State Street Lighting Consortium, the Clinton Climate Initiative/C40, and the

  7. Webcast: Evaluating LED Street Lighting Solutions | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Evaluating LED Street Lighting Solutions Webcast: Evaluating LED Street Lighting Solutions In this July 20, 2010 webcast, Edward Smalley of Seattle City Light provided an update on DOE Municipal Solid-State Street Lighting Consortium activities. The webcast also presented perspectives from members who are involved with implementing LED street lighting evaluations, including Tod Rosinbum of the City of Portland, Oregon, John Walter of National Grid, and Amy Olay of the City of San Jose,

  8. Municipal Consortium Releases Updated Model Specification for Networked Outdoor Lighting Control Systems

    Office of Energy Efficiency and Renewable Energy (EERE)

    The U.S. Department of Energy's Municipal Solid-State Street Lighting Consortium (MSSLC) has released an update to its Model Specification for Adaptive Control and Remote Monitoring of LED Roadway...

  9. Solid-State Lighting

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Energy Frontier Research Centers: Solid-State Lighting Science Center for Frontiers of ... Twitter Google + Vimeo Newsletter Signup SlideShare Solid-State Lighting HomeSolid-State ...

  10. Connected Outdoor Lighting Systems for Municipalities - Text-Alt Version |

    Energy Saver

    Department of Energy Outdoor Lighting Systems for Municipalities - Text-Alt Version Connected Outdoor Lighting Systems for Municipalities - Text-Alt Version Welcome, everyone. This is Bruce Kinzey with the Pacific Northwest National Laboratory and director of the U.S. Department of Energy's Municipal Solid-State Street Lighting Consortium. Welcome to today's webinar, Connected Outdoor Lighting Systems for Municipalities, brought you by the DOE Better Buildings Challenge. This webinar was

  11. 2011 Municipal Consortium Northeast Region Workshop Materials | Department

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    of Energy Northeast Region Workshop Materials 2011 Municipal Consortium Northeast Region Workshop Materials This page provides links to the presentations given at the DOE Municipal Solid-State Street Lighting Consortium Northeast Region Workshop, held in Philadelphia, May 19-20, 2011. Presentations Calculating Light Loss Factors for LED Street Lighting Systems Rick Kauffman, Kauffman Consulting LLC LM-79, LM-80, and Other Challenges of the "Revolution" Eric Haugaard, BetaLED by

  12. Municipal Consortium LED Street Lighting Workshop: April 19–20, Los Angeles, CA

    Energy.gov [DOE]

    Workshop Location: The Sheraton Los Angeles Downtown Hotel, 711 Hope Street, Los Angeles, CA 90017City Partner: City of Los Angeles Bureau of Street LightingCost: $175

  13. Solid State Division

    SciTech Connect

    Green, P.H.; Watson, D.M.

    1989-08-01

    This report contains brief discussions on work done in the Solid State Division of Oak Ridge National Laboratory. The topics covered are: Theoretical Solid State Physics; Neutron scattering; Physical properties of materials; The synthesis and characterization of materials; Ion beam and laser processing; and Structure of solids and surfaces. (LSP)

  14. Solid state switch

    DOEpatents

    Merritt, Bernard T.; Dreifuerst, Gary R.

    1994-01-01

    A solid state switch, with reverse conducting thyristors, is designed to operate at 20 kV hold-off voltage, 1500 A peak, 1.0 .mu.s pulsewidth, and 4500 pps, to replace thyratrons. The solid state switch is more reliable, more economical, and more easily repaired. The switch includes a stack of circuit card assemblies, a magnetic assist and a trigger chassis. Each circuit card assembly contains a reverse conducting thyristor, a resistor capacitor network, and triggering circuitry.

  15. 2011 Municipal Consortium Northwest Region Workshop Materials | Department

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    of Energy Northwest Region Workshop Materials 2011 Municipal Consortium Northwest Region Workshop Materials This page provides links to the presentations given at the DOE Municipal Solid-State Street Lighting Consortium Northwest Region Workshop, held in Seattle July 15, 2011. Presentations and Materials Workshop Agenda Seattle City Light: LED Streetlight Program Case Study Edward Smalley, Seattle City Light; Lok Chan, DKS Associates SSL Not As Simple As It Seems: Things to Know and Things

  16. 2011 Municipal Consortium Southwest Region Workshop Materials | Department

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    of Energy Southwest Region Workshop Materials 2011 Municipal Consortium Southwest Region Workshop Materials This page provides links to the presentations given at the DOE Municipal Solid-State Street Lighting Consortium Southwest Region Workshop, held in San Jose, California, August 25--26, 2011. Presentations and Materials Workshop Agenda San Jose's "Smart" LED Streetlight Program Laura Stuchinsky, City of San Jose Department of Transportation San Jose Story Nancy Clanton, Clanton

  17. Municipal Consortium Annual Meeting Presentations and Materials-Phoenix,

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    AZ | Department of Energy Annual Meeting Presentations and Materials-Phoenix, AZ Municipal Consortium Annual Meeting Presentations and Materials-Phoenix, AZ This page provides links to presentations and materials from the DOE Municipal Solid-State Street Lighting Consortium Annual Meeting held in Phoenix on September 11, 2013. Workshop Agenda Transportation Challenges and Opportunities for Large Cities Wylie Bearup, City of Phoenix HPS to LED Conversion - A City of Phoenix Experience Shane

  18. Solid state switch

    DOEpatents

    Merritt, B.T.; Dreifuerst, G.R.

    1994-07-19

    A solid state switch, with reverse conducting thyristors, is designed to operate at 20 kV hold-off voltage, 1,500 A peak, 1.0 [mu]s pulsewidth, and 4,500 pps, to replace thyratrons. The solid state switch is more reliable, more economical, and more easily repaired. The switch includes a stack of circuit card assemblies, a magnetic assist and a trigger chassis. Each circuit card assembly contains a reverse conducting thyristor, a resistor capacitor network, and triggering circuitry. 6 figs.

  19. Solid State Lighting

    SciTech Connect

    Hastbacka, Mildred; Dieckmann, John; Bouza, Antonio

    2013-03-30

    The article discusses solid state lighting technologies. This topic was covered in two previous ASHRAE Journal columns (2010). This article covers advancements in technologies and the associated efficacies. The life-cycle, energy savings and market potential of these technologies are addressed as well.

  20. Solid state optical microscope

    DOEpatents

    Young, I.T.

    1983-08-09

    A solid state optical microscope wherein wide-field and high-resolution images of an object are produced at a rapid rate by utilizing conventional optics with a charge-coupled photodiode array. A galvanometer scanning mirror, for scanning in one of two orthogonal directions is provided, while the charge-coupled photodiode array scans in the other orthogonal direction. Illumination light from the object is incident upon the photodiodes, creating packets of electrons (signals) which are representative of the illuminated object. The signals are then processed, stored in a memory, and finally displayed as a video signal. 2 figs.

  1. Solid state optical microscope

    DOEpatents

    Young, Ian T.

    1983-01-01

    A solid state optical microscope wherein wide-field and high-resolution images of an object are produced at a rapid rate by utilizing conventional optics with a charge-coupled photodiode array. A galvanometer scanning mirror, for scanning in one of two orthogonal directions is provided, while the charge-coupled photodiode array scans in the other orthogonal direction. Illumination light from the object is incident upon the photodiodes, creating packets of electrons (signals) which are representative of the illuminated object. The signals are then processed, stored in a memory, and finally displayed as a video signal.

  2. Solid state oxygen sensor

    DOEpatents

    Garzon, F.H.; Chung, B.W.; Raistrick, I.D.; Brosha, E.L.

    1996-08-06

    Solid state oxygen sensors are provided with a yttria-doped zirconia as an electrolyte and use the electrochemical oxygen pumping of the zirconia electrolyte. A linear relationship between oxygen concentration and the voltage arising at a current plateau occurs when oxygen accessing the electrolyte is limited by a diffusion barrier. A diffusion barrier is formed herein with a mixed electronic and oxygen ion-conducting membrane of lanthanum-containing perovskite or zirconia-containing fluorite. A heater may be used to maintain an adequate oxygen diffusion coefficient in the mixed conducting layer. 4 figs.

  3. Solid state oxygen sensor

    DOEpatents

    Garzon, Fernando H.; Chung, Brandon W.; Raistrick, Ian D.; Brosha, Eric L.

    1996-01-01

    Solid state oxygen sensors are provided with a yttria-doped zirconia as an electrolyte and use the electrochemical oxygen pumping of the zirconia electrolyte. A linear relationship between oxygen concentration and the voltage arising at a current plateau occurs when oxygen accessing the electrolyte is limited by a diffusion barrier. A diffusion barrier is formed herein with a mixed electronic and oxygen ion-conducting membrane of lanthanum-containing perovskite or zirconia-containing fluorite. A heater may be used to maintain an adequate oxygen diffusion coefficient in the mixed conducting layer.

  4. Packaging of solid state devices

    DOEpatents

    Glidden, Steven C.; Sanders, Howard D.

    2006-01-03

    A package for one or more solid state devices in a single module that allows for operation at high voltage, high current, or both high voltage and high current. Low thermal resistance between the solid state devices and an exterior of the package and matched coefficient of thermal expansion between the solid state devices and the materials used in packaging enables high power operation. The solid state devices are soldered between two layers of ceramic with metal traces that interconnect the devices and external contacts. This approach provides a simple method for assembling and encapsulating high power solid state devices.

  5. Solid state rapid thermocycling

    SciTech Connect

    Beer, Neil Reginald; Spadaccini, Christopher

    2014-05-13

    The rapid thermal cycling of a material is targeted. A solid state heat exchanger with a first well and second well is coupled to a power module. A thermoelectric element is coupled to the first well, the second well, and the power module, is configured to transfer thermal energy from the first well to the second well when current from the power module flows through the thermoelectric element in a first direction, and is configured to transfer thermal energy from the second well to the first well when current from the power module flows through the thermoelectric element in a second direction. A controller may be coupled to the thermoelectric elements, and may switch the direction of current flowing through the thermoelectric element in response to a determination by sensors coupled to the wells that the amount of thermal energy in the wells falls below or exceeds a pre-determined threshold.

  6. Solid-State Lighting Webcasts

    SciTech Connect

    2011-12-16

    Links to past webcast presentations related to solid-state lighting, including presentation slides and question-and-answer sessions, where available.

  7. Solid State Magnetocaloric Air Conditioner

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    National Laboratory 2 Cooling Effect: Solid State Magnetocaloric Air Conditioner T cold T ... and fabricate permanent magnets Communications: * Abstract accepted for the Purdue ...

  8. Solid-State Lighting Webcasts

    Energy.gov [DOE]

    Below you'll find links to information about past webcast presentations related to solid-state lighting, including presentation slides and question-and-answer sessions, where available.

  9. Solid State Photovoltaic Research Branch

    SciTech Connect

    Not Available

    1990-09-01

    This report summarizes the progress of the Solid State Photovoltaic Research Branch of the Solar Energy Research Institute (SERI) from October 1, 1988, through September 30,l 1989. Six technical sections of the report cover these main areas of SERIs in-house research: Semiconductor Crystal Growth, Amorphous Silicon Research, Polycrystalline Thin Films, III-V High-Efficiency Photovoltaic Cells, Solid-State Theory, and Laser Raman and Luminescence Spectroscopy. Sections have been indexed separately for inclusion on the data base.

  10. Solid-State NMR | The Ames Laboratory

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solid-State NMR Solid-State NMR Our team is well-known for its work in the following areas: - Using multi-dimensional solid-state NMR of quadrupolar nuclei to study spin-12 nuclei...

  11. solid state lighting | netl.doe.gov

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solid-State Lighting Solid-State Lighting (SSL) is an emerging technology with the ... SSL will mean greener homes and businesses that use substantially less electricity, making ...

  12. Solid-state lithium battery

    DOEpatents

    Ihlefeld, Jon; Clem, Paul G; Edney, Cynthia; Ingersoll, David; Nagasubramanian, Ganesan; Fenton, Kyle Ross

    2014-11-04

    The present invention is directed to a higher power, thin film lithium-ion electrolyte on a metallic substrate, enabling mass-produced solid-state lithium batteries. High-temperature thermodynamic equilibrium processing enables co-firing of oxides and base metals, providing a means to integrate the crystalline, lithium-stable, fast lithium-ion conductor lanthanum lithium tantalate (La.sub.1/3-xLi.sub.3xTaO.sub.3) directly with a thin metal foil current collector appropriate for a lithium-free solid-state battery.

  13. Solid-state radioluminescent compositions

    DOEpatents

    Clough, Roger L.; Gill, John T.; Hawkins, Daniel B.; Renschler, Clifford L.; Shepodd, Timothy J.; Smith, Henry M.

    1991-01-01

    A solid state radioluminescent composition for light source comprises an optically clear polymer organic matrix containing tritiated organic materials and dyes capable of "red" shifting primary scintillation emissions from the polymer matrix. The tritiated organic materials are made by reducing, with tritium, an unsaturated organic compound that prior to reduction contains olefinic or alkynylic bonds.

  14. Solid-state membrane module

    DOEpatents

    Gordon, John Howard; Taylor, Dale M.

    2011-06-07

    Solid-state membrane modules comprising at least one membrane unit, where the membrane unit has a dense mixed conducting oxide layer, and at least one conduit or manifold wherein the conduit or manifold comprises a dense layer and at least one of a porous layer and a slotted layer contiguous with the dense layer. The solid-state membrane modules may be used to carry out a variety of processes including the separating of any ionizable component from a feedstream wherein such ionizable component is capable of being transported through a dense mixed conducting oxide layer of the membrane units making up the membrane modules. For ease of construction, the membrane units may be planar.

  15. Solid state electrochemical current source

    DOEpatents

    Potanin, Alexander Arkadyevich; Vedeneev, Nikolai Ivanovich

    2002-04-30

    A cathode and a solid state electrochemical cell comprising said cathode, a solid anode and solid fluoride ion conducting electrolyte. The cathode comprises a metal oxide and a compound fluoride containing at least two metals with different valences. Representative compound fluorides include solid solutions of bismuth fluoride and potassium fluoride; and lead fluoride and potassium fluoride. Representative metal oxides include copper oxide, lead oxide, manganese oxide, vanadium oxide and silver oxide.

  16. Solid-state membrane module

    SciTech Connect

    Hinklin, Thomas Ray; Lewinsohn, Charles Arthur

    2015-06-30

    A module for separating oxygen from an oxygen-containing gaseous mixture comprising planar solid-state membrane units, each membrane unit comprising planar dense mixed conducting oxides layers, planar channel-free porous support layers, and one or more planar intermediate support layers comprising at least one channeled porous support layer. The porosity of the planar channeled porous support layers is less than the porosity of the planar channel-free porous support layers.

  17. Street sweeping and stormwater regulations

    SciTech Connect

    Not Available

    1993-10-01

    This article examines the role of street sweeping in meeting the requirements of the Clean Water Act stormwater regulations. The article identifies those industrial and municipal activities which are covered by the regulations and cites frequent sweeping of site surfaces for industry and street sweeping for municipalities as an integral part of compliance plans.

  18. Solid-State Lighting | Department of Energy

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    of Princeton's approach to solid-state lighting. Read more A Comprehensive Program Solid-state lighting (SSL) technology has the potential to reduce U.S. lighting energy usage by...

  19. Solid-state optical microscope

    DOEpatents

    Young, I.T.

    1981-01-07

    A solid state optical microscope is described wherein wide-field and high-resolution images of an object are produced at a rapid rate by utilizing conventional optics with a charge-coupled photodiode array. Means for scanning in one of two orthogonal directions are provided, while the charge-coupled photodiode array scans in the other orthogonal direction. Illumination light from the object is incident upon the photodiodes, creating packets of electrons (signals) which are representative of the illuminated object. The signals are then processed, stored in a memory, and finally displayed as a video signal.

  20. Solid state electrochromic light modulator

    DOEpatents

    Cogan, Stuart F.; Rauh, R. David

    1993-01-01

    An all solid-state variable transmission electrochromic device has a source of charge compensating ions. An inorganic oxide counterelectrode film which on reduction with the accompanying insertion of the charge compensating ions increases its transmission of light of predetermined wavelength is separated from a primary electrochromic film which on reduction with the accompanying insertion of the charge compensating ions decreases its transmission of light of predetermined wavelength by an insulating electrolyte film that transports the charge compensating ions. First and second electrodes are contiguous with the inorganic oxide counter electrode film and the primary electrochromic film, respectively, and separated by the three films.

  1. Solid state electrochromic light modulator

    DOEpatents

    Cogan, Stuart F.; Rauh, R. David

    1993-12-07

    An all solid-state variable transmission electrochromic device has a source of charge compensating ions. An inorganic oxide counterelectrode film which on reduction with the accompanying insertion of the charge compensating ions increases its transmission of light of predetermined wavelength is separated from a primary electrochromic film which on reduction with the accompanying insertion of the charge compensating ions decreases its transmission of light of predetermined wavelength by an insulating electrolyte film that transports the charge compensating ions. First and second electrodes are contiguous with the inorganic oxide counter electrode film and the primary electrochromic film, respectively, and separated by the three films.

  2. Solid state electrochromic light modulator

    DOEpatents

    Cogan, Stuart F.; Rauh, R. David

    1990-01-01

    An all solid-state variable transmission electrochromic device has a source of charge compensating ions. An inorganic oxide counterelectrode film which on reduction with the accompanying insertion of the charge compensating ions increases its transmission of light of predetermined wavelength is separated from a primary electrochromic film which on reduction with the accompanying insertion of the charge compensating ions decreases its transmission of light of predetermined wavelength by an insulating electrolyte film that transports the charge compensating ions. First and second electrodes are contiguous with the inorganic oxide counter electrode film and the primary electrochromic film, respectively, and separated by the three films.

  3. Solid state electrochromic light modulator

    DOEpatents

    Cogan, S.F.; Rauh, R.D.

    1990-07-03

    An all solid-state variable transmission electrochromic device has a source of charge compensating ions. An inorganic oxide counter electrode film which on reduction with the accompanying insertion of the charge compensating ions increases its transmission of light of predetermined wavelength is separated from a primary electrochromic film which on reduction with the accompanying insertion of the charge compensating ions decreases its transmission of light of predetermined wavelength by an insulating electrolyte film that transports the charge compensating ions. First and second electrodes are contiguous with the inorganic oxide counter electrode film and the primary electrochromic film, respectively, and separated by the three films. 4 figs.

  4. Solid State Lighting FAQ Tip Sheet | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Solid State Lighting FAQ Tip Sheet Solid State Lighting FAQ Tip Sheet Contains information on solid state lighting applications for energy efficiency in buildings. PDF icon ...

  5. Doing Business with DOE's Solid-State Lighting Program | Department...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Doing Business with DOE's Solid-State Lighting Program Doing Business with DOE's Solid-State Lighting Program 2014 DOE Solid-State Lighting Program Fact Sheet doingbusinessfactshe...

  6. The Fifth Annual DOE Solid-State Lighting Market Introduction Workshop |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Market Introduction Workshop The Fifth Annual DOE Solid-State Lighting Market Introduction Workshop More than 300 lighting leaders from across the continent gathered in Philadelphia July 20-22, 2010, for the fifth annual Solid-State Lighting (SSL) Market Introduction Workshop, hosted by DOE. The audience was diverse, spanning the spectrum from industry, to government, to efficiency organizations, to utilities, to municipalities, to designers and specifiers, to retailers

  7. LEDs for Street Lighting—Here Today

    SciTech Connect

    2013-11-29

    Fact sheet that provides a brief overview of the viability of LED street lighting in municipalities and highlights case studies of two cities—Los Angeles and Seattle—that have invested in LED street lighting.

  8. Considering LEDs for Street and Area Lighting | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Information Resources » Videos » Considering LEDs for Street and Area Lighting Considering LEDs for Street and Area Lighting View Jim Brodrick's keynote video from the September 2009 IES Street and Area Lighting Conference in Philadelphia. View the text-alternative version. Solid-State Lighting Home About the Solid-State Lighting Program Research & Development Understanding SSL Information Resources Conferences & Meetings Presentations Publications Webcasts Videos Tools

  9. MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; SOLID STATE...

    Office of Scientific and Technical Information (OSTI)

    Open problems in condensed matter physics, 1987 Falicov, L.M. 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; SOLID STATE PHYSICS; RESEARCH PROGRAMS;...

  10. Solid-State Lighting Technical Reports

    SciTech Connect

    2011-12-16

    A page that contains links to technical reports of studies estimating the energy savings potential of solid-state lighting in numerous applications.

  11. Solid State Gas Sensors - Energy Innovation Portal

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Advanced Materials Advanced Materials Find More Like This Return to Search Solid State Gas Sensors Los Alamos National Laboratory Contact LANL About This Technology LANLs...

  12. Overcoming Interfacial Impedance in Solid State Batteries

    Energy.gov [DOE] (indexed site)

    HU Interface layer development, cell fabrication, & evaluation WACHSMAN Garnet structure fabrication & interfacial impedance analysis MO Computational solid-state ion transport and ...

  13. NREL: Energy Sciences - Solid-State Theory

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Science Printable Version Solid-State Theory Image showing a roughly spherical red shape that looks like an apple that is floating within a yellow hemispherical shell....

  14. Solid-State Lighting Program Strategy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    James R. Brodrick, Ph.D. April 22, 2014 U.S. Department of Energy Solid-State Lighting Program Strategy MARKET * Many companies * Semiconductors :: Lighting * Large business ...

  15. Solid state radiative heat pump

    DOEpatents

    Berdahl, P.H.

    1984-09-28

    A solid state radiative heat pump operable at room temperature (300 K) utilizes a semiconductor having a gap energy in the range of 0.03-0.25 eV and operated reversibly to produce an excess or deficit of change carriers as compared equilibrium. In one form of the invention an infrared semiconductor photodiode is used, with forward or reverse bias, to emit an excess or deficit of infrared radiation. In another form of the invention, a homogenous semiconductor is subjected to orthogonal magnetic and electric fields to emit an excess or deficit of infrared radiation. Three methods of enhancing transmission of radiation the active surface of the semiconductor are disclosed. In one method, an anti-refection layer is coated into the active surface of the semiconductor, the anti-reflection layer having an index of refraction equal to the square root of that of the semiconductor. In the second method, a passive layer is speaced trom the active surface of the semiconductor by a submicron vacuum gap, the passive layer having an index of refractive equal to that of the semiconductor. In the third method, a coupler with a paraboloid reflecting surface surface is in contact with the active surface of the semiconductor, the coupler having an index of refraction about the same as that of the semiconductor.

  16. Solid state safety jumper cables

    DOEpatents

    Kronberg, James W.

    1993-01-01

    Solid state jumper cables for connecting two batteries in parallel, having two bridge rectifiers for developing a reference voltage, a four-input decoder for determining which terminals are to be connected based on a comparison of the voltage at each of the four terminals to the reference voltage, and a pair of relays for effecting the correct connection depending on the determination of the decoder. No connection will be made unless only one terminal of each battery has a higher voltage than the reference voltage, indicating "positive" terminals, and one has a lower voltage than the reference voltage, indicating "negative" terminals, and that, therefore, the two high voltage terminals may be connected and the two lower voltage terminals may be connected. Current flows once the appropriate relay device is closed. The relay device is preferably a MOSFET (metal oxide semiconductor field effect transistor) combined with a series array of photodiodes that develop MOSFET gate-closing potential when the decoder output causes an LED to light.

  17. Solid state safety jumper cables

    DOEpatents

    Kronberg, J.W.

    1993-02-23

    Solid state jumper cables for connecting two batteries in parallel, having two bridge rectifiers for developing a reference voltage, a four-input decoder for determining which terminals are to be connected based on a comparison of the voltage at each of the four terminals to the reference voltage, and a pair of relays for effecting the correct connection depending on the determination of the decoder. No connection will be made unless only one terminal of each battery has a higher voltage than the reference voltage, indicating positive'' terminals, and one has a lower voltage than the reference voltage, indicating negative'' terminals, and that, therefore, the two high voltage terminals may be connected and the two lower voltage terminals may be connected. Current flows once the appropriate relay device is closed. The relay device is preferably a MOSFET (metal oxide semiconductor field effect transistor) combined with a series array of photodiodes that develop MOSFET gate-closing potential when the decoder output causes an LED to light.

  18. Solid state radiative heat pump

    DOEpatents

    Berdahl, Paul H.

    1986-01-01

    A solid state radiative heat pump (10, 50, 70) operable at room temperature (300.degree. K.) utilizes a semiconductor having a gap energy in the range of 0.03-0.25 eV and operated reversibly to produce an excess or deficit of charge carriers as compared to thermal equilibrium. In one form of the invention (10, 70) an infrared semiconductor photodiode (21, 71) is used, with forward or reverse bias, to emit an excess or deficit of infrared radiation. In another form of the invention (50), a homogeneous semiconductor (51) is subjected to orthogonal magnetic and electric fields to emit an excess or deficit of infrared radiation. Three methods of enhancing transmission of radiation through the active surface of the semiconductor are disclosed. In one method, an anti-reflection layer (19) is coated into the active surface (13) of the semiconductor (11), the anti-reflection layer (19) having an index of refraction equal to the square root of that of the semiconductor (11). In the second method, a passive layer (75) is spaced from the active surface (73) of the semiconductor (71) by a submicron vacuum gap, the passive layer having an index of refractive equal to that of the semiconductor. In the third method, a coupler (91) with a paraboloid reflecting surface (92) is in contact with the active surface (13, 53) of the semiconductor (11, 51), the coupler having an index of refraction about the same as that of the semiconductor.

  19. Exterior Solid-State Lighting Solutions for Municipalities | Department of

    Energy Saver

    Lessons Learned - CBS Utilities Engagement with Consumers Page i Acknowledgements The United States Department of Energy would like to acknowledge the contributions of several individuals to this report. Rich Scheer of Scheer Ventures LLC and Peter Cappers of Lawrence Berkeley National Laboratory were the primary authors. The following people contributed perspectives, observations, and lessons learned based on their experiences implementing consumer behavior studies under the Smart Grid

  20. Standards Development for Solid-State Lighting

    SciTech Connect

    2011-12-16

    To accelerate the development and implementation of needed standards for solid-state lighting products, DOE works closely with a network of standards-setting organizations and offers technical assistance and support

  1. What's Next for Solid-State Lighting?

    Energy Saver

    Photo courtesy of GE Lighting What's Next for Solid-State Lighting? A s we stand on the brink of a lighting revolution spearheaded by light-emitting diode (LED) technology, one ...

  2. Solid-state diffusion in amorphous zirconolite

    SciTech Connect

    Yang, C.; Dove, M. T.; Trachenko, K.; Zarkadoula, E.; Todorov, I. T.; Geisler, T.; Brazhkin, V. V.

    2014-11-14

    We discuss how structural disorder and amorphization affect solid-state diffusion, and consider zirconolite as a currently important case study. By performing extensive molecular dynamics simulations, we disentangle the effects of amorphization and density, and show that a profound increase of solid-state diffusion takes place as a result of amorphization. Importantly, this can take place at the same density as in the crystal, representing an interesting general insight regarding solid-state diffusion. We find that decreasing the density in the amorphous system increases pre-factors of diffusion constants, but does not change the activation energy in the density range considered. We also find that atomic species in zirconolite are affected differently by amorphization and density change. Our microscopic insights are relevant for understanding how solid-state diffusion changes due to disorder and for building predictive models of operation of materials to be used to encapsulate nuclear waste.

  3. Solid-State Lighting | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Emerging Technologies » Solid-State Lighting Solid-State Lighting Register Now: Technology Development Workshop Register Now: Technology Development Workshop Eleventh annual workshop for manufacturers, scientists, specifiers, and end users to examine SSL trends and issues, and look ahead to prepare for the next wave of innovation. Read more CALiPER Looks at OLED Luminaires CALiPER Looks at OLED Luminaires New report documents the results of photometric testing, teardowns, and stress testing.

  4. Grating enhanced solid-state laser amplifiers

    DOEpatents

    Erlandson, Alvin C.; Britten, Jerald A.

    2010-11-09

    A novel method and apparatus for suppressing ASE and parasitic oscillation modes in a high average power laser is introduced. Such an invention, as disclosed herein, uses diffraction gratings to increase gain, stored energy density, and pumping efficiency of solid-state laser gain media, such as, but not limited to rods, disks and slabs. By coupling predetermined gratings to solid-state gain media, such as crystal or ceramic laser gain media, ASE and parasitic oscillation modes can be effectively suppressed.

  5. Solid-State Lighting Program Overview Brochure | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Program Overview Brochure Solid-State Lighting Program Overview Brochure Solid-State Lighting Program Overview Brochure September 2016 (1.41 MB) More Documents & Publications Solid-State Lighting Emerging Lighting Technology December 2014 Postings

  6. Federal Technology Deployment Pilot: Exterior Solid State Lighting...

    Office of Environmental Management (EM)

    Technology Deployment Pilot: Exterior Solid State Lighting Federal Technology Deployment Pilot: Exterior Solid State Lighting Presentation-given at the Fall 2011 Federal Utility ...

  7. Solid-State Lighting Subprogram Overview - 2016 BTO Peer Review...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Subprogram Overview - 2016 BTO Peer Review Solid-State Lighting Subprogram Overview - 2016 ... an overview of the Building Technologies Office's Solid-State Lighting subprogram. ...

  8. DOE Announces Selections from Solid-State Lighting Product Development...

    Energy.gov [DOE] (indexed site)

    in response to the Solid-State Lighting Product Development Funding Opportunity ... By 2025, develop advanced solid-state lighting technologies that, compared to conventional ...

  9. Solid-State Lighting Program Strategy Overview - 2014 BTO Peer...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Program Strategy Overview - 2014 BTO Peer Review Solid-State Lighting Program Strategy ... of the Building Technologies Office's Solid-State Lighting Program Strategy activities. ...

  10. DOE Announces Selections for Solid-State Lighting Core Technology...

    Energy Saver

    DOE Announces Selections for Solid-State Lighting Core Technology and Product Development ... in response to the Solid-State Lighting (SSL) Core Technology Research and ...

  11. DOE Solid-State Lighting Program: Modest Investments, Extraordinary...

    Energy Saver

    Modest Investments, Extraordinary Impacts DOE Solid-State Lighting Program Shaping the Future of Solid-State Lighting Today, LED (light-emitting diode) technologies illuminate ...

  12. 2014 Solid-State Lighting Project Portfolio | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Solid-State Lighting Project Portfolio 2014 Solid-State Lighting Project Portfolio This report contains an overview of SSL projects currently funded by DOE, and those completed. ...

  13. Solid-State Lighting Manufacturing Research and Development ...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    3 (DE-FOA-0000561) Solid-State Lighting Manufacturing Research and Development - Round 3 ... is achieve cost reduction of solid-state lighting for general illumination through ...

  14. DOE Joint Solid-State Lighting Roundtables on Science Challenges...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    DOE Joint Solid-State Lighting Roundtables on Science Challenges DOE Joint Solid-State Lighting Roundtables on Science Challenges PDF icon 2014BES-EEREroundtables...

  15. FEMP Outdoor Solid-State Lighting Intiative: Resources for Outdoor...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Outdoor Solid-State Lighting Intiative: Resources for Outdoor SSL Applications FEMP Outdoor Solid-State Lighting Intiative: Resources for Outdoor SSL Applications Fact sheet ...

  16. Outdoor Solid-State Lighting Technology Deployment | Department...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Outdoor Solid-State Lighting Technology Deployment Solid-state lighting (SSL) technology ... The Federal Energy Management Program (FEMP) outdoor SSL initiative offers a unique ...

  17. Doing Business with DOE's Solid-State Lighting Program | Department...

    Energy Saver

    Doing Business Factsheet January 2016 (923.71 KB) More Documents & Publications Doing Business with DOE's Solid-State Lighting Program Guiding SSL Technology Advances Solid-State ...

  18. 2008 Annual Merit Review Results Summary - 6. Solid State Energy...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    6. Solid State Energy Conversion 2008 Annual Merit Review Results Summary - 6. Solid State Energy Conversion DOE Vehicle Technologies Annual Merit Review 2008meritreview6.pdf ...

  19. Solid-State Sensors for Monitoring Hydrogen | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Solid-State Sensors for Monitoring Hydrogen Solid-State Sensors for Monitoring Hydrogen New Sensors Rapidly and Accurately Detect Hydrogen, Improving Industrial Safety and ...

  20. The Kanatzidis - Chang Cell: dye sensitized all solid state solar...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    The Kanatzidis - Chang Cell: dye sensitized all solid state solar cell Home > Research > ANSER Research Highlights > The Kanatzidis - Chang Cell: dye sensitized all solid state ...

  1. Solid State Processing of Fully Dense Anistropic Nanocomposition...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solid State Processing of Fully Dense Anistropic Nanocomposition Magnets Research Personnel Characterization The project proposes a new solid state processing technology which will...

  2. Driver circuit for solid state light sources

    DOEpatents

    Palmer, Fred; Denvir, Kerry; Allen, Steven

    2016-02-16

    A driver circuit for a light source including one or more solid state light sources, a luminaire including the same, and a method of so driving the solid state light sources are provided. The driver circuit includes a rectifier circuit that receives an alternating current (AC) input voltage and provides a rectified AC voltage. The driver circuit also includes a switching converter circuit coupled to the light source. The switching converter circuit provides a direct current (DC) output to the light source in response to the rectified AC voltage. The driver circuit also includes a mixing circuit, coupled to the light source, to switch current through at least one solid state light source of the light source in response to each of a plurality of consecutive half-waves of the rectified AC voltage.

  3. Scalar operators in solid-state NMR

    SciTech Connect

    Sun, Boqin

    1991-11-01

    Selectivity and resolution of solid-state NMR spectra are determined by dispersion of local magnetic fields originating from relaxation effects and orientation-dependent resonant frequencies of spin nuclei. Theoretically, the orientation-dependent resonant frequencies can be represented by a set of irreducible tensors. Among these tensors, only zero rank tensors (scalar operators) are capable of providing high resolution NMR spectra. This thesis presents a series of new developments in high resolution solid-state NMR concerning the reconstruction of various scalar operators motion in solid C{sub 60} is analyzed.

  4. Solid-state NMR imaging system

    DOEpatents

    Gopalsami, Nachappa; Dieckman, Stephen L.; Ellingson, William A.

    1992-01-01

    An apparatus for use with a solid-state NMR spectrometer includes a special imaging probe with linear, high-field strength gradient fields and high-power broadband RF coils using a back projection method for data acquisition and image reconstruction, and a real-time pulse programmer adaptable for use by a conventional computer for complex high speed pulse sequences.

  5. Federal Technology Deployment Pilot: Exterior Solid State Lighting |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Technology Deployment Pilot: Exterior Solid State Lighting Federal Technology Deployment Pilot: Exterior Solid State Lighting Presentation-given at the Fall 2011 Federal Utility Partnership Working Group (FUPWG) meeting-provides an overview of the U.S. Department of Energy's Solid-State Lighting Program and an exterior solid-state lighting federal technology deployment pilot project. Download the Exterior Solid State Lighting presentation. (2.15 MB) More Documents &

  6. Coordinated garbage collection for raid array of solid state disks

    DOEpatents

    Dillow, David A; Ki, Youngjae; Oral, Hakki S; Shipman, Galen M; Wang, Feiyi

    2014-04-29

    An optimized redundant array of solid state devices may include an array of one or more optimized solid-state devices and a controller coupled to the solid-state devices for managing the solid-state devices. The controller may be configured to globally coordinate the garbage collection activities of each of said optimized solid-state devices, for instance, to minimize the degraded performance time and increase the optimal performance time of the entire array of devices.

  7. Thermoelectrics | Solid State Solar Thermal Energy Conversion

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Thermoelectrics One of the central themes of S3TEC is to develop more efficient thermoelectric materials to directly convert heat into electricity via the Seebeck effect, or provide cooling via the Peltier effect. Their ability to harvest waste heat and deliver cooling power through solid-state devices without moving parts makes them important candidates of sustainable energy technologies in the future. Despite the benefits, the current bottleneck of thermoelectric technology is its relatively

  8. Solid state synthesis of poly(dichlorophosphazene)

    DOEpatents

    Allen, Christopher W.; Hneihen, Azzam S.; Peterson, Eric S.

    2001-01-01

    A method for making poly(dichlorophosphazene) using solid state reactants is disclosed and described. The present invention improves upon previous methods by removing the need for chlorinated hydrocarbon solvents, eliminating complicated equipment and simplifying the overall process by providing a "single pot" two step reaction sequence. This may be accomplished by the condensation reaction of raw materials in the melt phase of the reactants and in the absence of an environmentally damaging solvent.

  9. Solid-state-laser-rod holder

    DOEpatents

    Gettemy, D.J.; Barnes, N.P.; Griggs, J.E.

    1981-08-11

    The disclosure relates to a solid state laser rod holder comprising Invar, copper tubing, and epoxy joints. Materials and coefficients of expansion of the components of the holder combine with the rod to produce a joint which will give before the rod itself will. The rod may be lased at about 70 to 80/sup 0/K and returned from such a temperature to room temperature repeatedly without its or the holder's destruction.

  10. Text-Alternative Version: Solid-State Lighting Early Lessons...

    Energy Saver

    Solid-State Lighting Early Lessons Learned Webinar Text-Alternative Version: Solid-State Lighting Early Lessons Learned Webinar Linda Sandahl: Welcome, ladies and gentlemen. I'm ...

  11. Solid-State Lighting Manufacturing Research and Development ...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    4 (DE-FOA-0000792) Solid-State Lighting Manufacturing Research and Development - Round 4 ... to achieve cost reduction of solid-state lighting (SSL) for general illumination through ...

  12. Solid-state Inorganic Lithium-Ion Conductors - Energy Innovation...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Find More Like This Return to Search Solid-state Inorganic Lithium-Ion Conductors ... milling system for preparation of electrodes for use in a solid state lithium-ion battery. ...

  13. Doing Business with DOE's Solid-State Lighting Program

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Doing Business with DOE's Solid-State Lighting Program Solid-state lighting (SSL) is an ... Both DOE and the National Science Foundation (NSF) fund Small Business Innovation Research ...

  14. Heat Pump Water Heater using Solid-State Energy Converters |...

    Energy Saver

    Heat Pump Water Heater using Solid-State Energy Converters Sheetak will work on developing a full scale prototype of its low cost heat pump water heater. These solid state heat ...

  15. Solid-State Lighting (SSL) Manufacturing Workshops Report

    SciTech Connect

    none,

    2009-10-01

    The final report from the U.S. Department of Energy 2009 Solid-State Lighting Manufacturing Workshops.

  16. Pulsed Power for Solid-State Lasers

    SciTech Connect

    Gagnon, W; Albrecht, G; Trenholme, J; Newton, M

    2007-04-19

    Beginning in the early 1970s, a number of research and development efforts were undertaken at U.S. National Laboratories with a goal of developing high power lasers whose characteristics were suitable for investigating the feasibility of laser-driven fusion. A number of different laser systems were developed and tested at ever larger scale in pursuit of the optimum driver for laser fusion experiments. Each of these systems had associated with it a unique pulsed power option. A considerable amount of original and innovative engineering was carried out in support of these options. Ultimately, the Solid-state Laser approach was selected as the optimum driver for the application. Following this, the Laser Program at the Lawrence Livermore National Laboratory and the University of Rochester undertook aggressive efforts directed at developing the technology. In particular, at Lawrence Livermore National Laboratory, a series of laser systems beginning with the Cyclops laser and culminating in the present with the National Ignition Facility were developed and tested. As a result, a large amount of design information for solid-state laser pulsed power systems has been documented. Some of it is in the form of published papers, but most of it is buried in internal memoranda, engineering reports and LLNL annual reports. One of the goals of this book is to gather this information into a single useable format, such that it is easily accessed and understood by other engineers and physicists for use with future designs. It can also serve as a primer, which when seriously studied, makes the subsequent reading of original work and follow-up references considerably easier. While this book deals only with the solid-state laser pulsed power systems, in the bibliography we have included a representative cross section of papers and references from much of the very fine work carried out at other institutions in support of different laser approaches. Finally, in recent years, there has

  17. High temperature solid state storage cell

    DOEpatents

    Rea, Jesse R.; Kallianidis, Milton; Kelsey, G. Stephen

    1983-01-01

    A completely solid state high temperature storage cell comprised of a solid rechargeable cathode such as TiS.sub.2, a solid electrolyte which remains solid at the high temperature operating conditions of the cell and which exhibits high ionic conductivity at such elevated temperatures such as an electrolyte comprised of lithium iodide, and a solid lithium or other alkali metal alloy anode (such as a lithium-silicon alloy) with 5-50% by weight of said anode being comprised of said solid electrolyte.

  18. Fast-neutron solid-state dosimeter

    DOEpatents

    Kecker, K.H.; Haywood, F.F.; Perdue, P.T.; Thorngate, J.H.

    1975-07-22

    This patent relates to an improved fast-neutron solid-state dosimeter that does not require separation of materials before it can be read out, that utilizes materials that do not melt or otherwise degrade at about 300$sup 0$C readout temperature, that provides a more efficient dosimeter, and that can be reused. The dosimeters are fabricated by intimately mixing a TL material, such as CaSO$sub 4$:Dy, with a powdered polyphenyl, such as p-sexiphenyl, and hot- pressing the mixture to form pellets, followed by out-gassing in a vacuum furnace at 150$sup 0$C prior to first use dosimeters. (auth)

  19. Passivation-free solid state battery

    DOEpatents

    Abraham, K.M.; Peramunage, D.

    1998-06-16

    This invention pertains to passivation-free solid-state rechargeable batteries composed of Li{sub 4}Ti{sub 5}O{sub 12} anode, a solid polymer electrolyte and a high voltage cathode. The solid polymer electrolyte comprises a polymer host, such as polyacrylonitrile, poly(vinyl chloride), poly(vinyl sulfone), and poly(vinylidene fluoride), plasticized by a solution of a Li salt in an organic solvent. The high voltage cathode includes LiMn{sub 2}O{sub 4}, LiCoO{sub 2}, LiNiO{sub 2} and LiV{sub 2}O{sub 5} and their derivatives. 5 figs.

  20. Passivation-free solid state battery

    DOEpatents

    Abraham, Kuzhikalail M.; Peramunage, Dharmasena

    1998-01-01

    This invention pertains to passivation-free solid-state rechargeable batteries composed of Li.sub.4 Ti.sub.5 O.sub.12 anode, a solid polymer electrolyte and a high voltage cathode. The solid polymer electrolyte comprises a polymer host, such as polyacrylonitrile, poly(vinyl chloride), poly(vinyl sulfone), and poly(vinylidene fluoride), plasticized by a solution of a Li salt in an organic solvent. The high voltage cathode includes LiMn.sub.2 O.sub.4, LiCoO.sub.2, LiNiO.sub.2 and LiV.sub.2 O.sub.5 and their derivatives.

  1. Solid state transport-based thermoelectric converter

    DOEpatents

    Hu, Zhiyu

    2010-04-13

    A solid state thermoelectric converter includes a thermally insulating separator layer, a semiconducting collector and an electron emitter. The electron emitter comprises a metal nanoparticle layer or plurality of metal nanocatalyst particles disposed on one side of said separator layer. A first electrically conductive lead is electrically coupled to the electron emitter. The collector layer is disposed on the other side of the separator layer, wherein the thickness of the separator layer is less than 1 .mu.m. A second conductive lead is electrically coupled to the collector layer.

  2. Solid-state-based analog of optomechanics

    DOE PAGES [OSTI]

    Naumann, Nicolas L.; Droenner, Leon; Carmele, Alexander; Chow, Weng W.; Kabuss, Julia

    2016-06-21

    In this study, we investigate a semiconductor quantum dot as a microscopic analog of a basic optomechanical setup. We show that optomechanical features can be reproduced by the solid-state platform, arising from parallels of the underlying interaction processes, which in the optomechanical case is the radiation pressure coupling and in the semiconductor case the electron–phonon coupling. We discuss bistabilities, lasing, and phonon damping, and recover the same qualitative behaviors for the semiconductor and the optomechanical cases expected for low driving strengths. However, in contrast to the optomechanical case, distinct signatures of higher order processes arise in the semiconductor model.

  3. Nanoengineering for solid-state lighting.

    SciTech Connect

    Schubert, E. Fred; Koleske, Daniel David; Wetzel, Christian; Lee, Stephen Roger; Missert, Nancy A.; Lin, Shawn-Yu; Crawford, Mary Hagerott; Fischer, Arthur Joseph

    2009-09-01

    This report summarizes results from a 3-year Laboratory Directed Research and Development project performed in collaboration with researchers at Rensselaer Polytechnic Institute. Our collaborative effort was supported by Sandia's National Institute for Nanoengineering and focused on the study and application of nanoscience and nanoengineering concepts to improve the efficiency of semiconductor light-emitting diodes for solid-state lighting applications. The project explored LED efficiency advances with two primary thrusts: (1) the study of nanoscale InGaN materials properties, particularly nanoscale crystalline defects, and their impact on internal quantum efficiency, and (2) nanoscale engineering of dielectric and metal materials and integration with LED heterostructures for enhanced light extraction efficiency.

  4. Solid-State Lighting | Department of Energy

    Energy Saver

    May 2015 Prepared for: Solid-State Lighting Program Building Technologies Office Office of Energy Efficiency and Renewable Energy U.S. Department of Energy DOE/EE-1228 R&D Plan Page 1 DISCLAIMER This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government, nor any agency thereof, nor any of their employees, nor any of their contractors, subcontractors, or their employees, makes any warranty, express or implied, or

  5. Solid State Marx Modulators for Emerging Applications

    SciTech Connect

    Kemp, M.A.; /SLAC

    2012-09-14

    Emerging linear accelerator applications increasingly push the boundaries of RF system performance and economics. The power modulator is an integral part of RF systems whose characteristics play a key role in the determining parameters such as efficiency, footprint, cost, stability, and availability. Particularly within the past decade, solid-state switch based modulators have become the standard in high-performance, high power modulators. One topology, the Marx modulator, has characteristics which make it particularly attractive for several emerging applications. This paper is an overview of the Marx topology, some recent developments, and a case study of how this architecture can be applied to a few proposed linear accelerators.

  6. Electronically shielded solid state charged particle detector

    DOEpatents

    Balmer, D.K.; Haverty, T.W.; Nordin, C.W.; Tyree, W.H.

    1996-08-20

    An electronically shielded solid state charged particle detector system having enhanced radio frequency interference immunity includes a detector housing with a detector entrance opening for receiving the charged particles. A charged particle detector having an active surface is disposed within the housing. The active surface faces toward the detector entrance opening for providing electrical signals representative of the received charged particles when the received charged particles are applied to the active surface. A conductive layer is disposed upon the active surface. In a preferred embodiment, a nonconductive layer is disposed between the conductive layer and the active surface. The conductive layer is electrically coupled to the detector housing to provide a substantially continuous conductive electrical shield surrounding the active surface. The inner surface of the detector housing is supplemented with a radio frequency absorbing material such as ferrite. 1 fig.

  7. Electronically shielded solid state charged particle detector

    DOEpatents

    Balmer, David K.; Haverty, Thomas W.; Nordin, Carl W.; Tyree, William H.

    1996-08-20

    An electronically shielded solid state charged particle detector system having enhanced radio frequency interference immunity includes a detector housing with a detector entrance opening for receiving the charged particles. A charged particle detector having an active surface is disposed within the housing. The active surface faces toward the detector entrance opening for providing electrical signals representative of the received charged particles when the received charged particles are applied to the active surface. A conductive layer is disposed upon the active surface. In a preferred embodiment, a nonconductive layer is disposed between the conductive layer and the active surface. The conductive layer is electrically coupled to the detector housing to provide a substantially continuous conductive electrical shield surrounding the active surface. The inner surface of the detector housing is supplemented with a radio frequency absorbing material such as ferrite.

  8. Compact high voltage solid state switch

    DOEpatents

    Glidden, Steven C.

    2003-09-23

    A compact, solid state, high voltage switch capable of high conduction current with a high rate of current risetime (high di/dt) that can be used to replace thyratrons in existing and new applications. The switch has multiple thyristors packaged in a single enclosure. Each thyristor has its own gate drive circuit that circuit obtains its energy from the energy that is being switched in the main circuit. The gate drives are triggered with a low voltage, low current pulse isolated by a small inexpensive transformer. The gate circuits can also be triggered with an optical signal, eliminating the trigger transformer altogether. This approach makes it easier to connect many thyristors in series to obtain the hold off voltages of greater than 80 kV.

  9. Enhanced electrodes for solid state gas sensors

    DOEpatents

    Garzon, Fernando H.; Brosha, Eric L.

    2001-01-01

    A solid state gas sensor generates an electrical potential between an equilibrium electrode and a second electrode indicative of a gas to be sensed. A solid electrolyte substrate has the second electrode mounted on a first portion of the electrolyte substrate and a composite equilibrium electrode including conterminous transition metal oxide and Pt components mounted on a second portion of the electrolyte substrate. The composite equilibrium electrode and the second electrode are electrically connected to generate an electrical potential indicative of the gas that is being sensed. In a particular embodiment of the present invention, the second electrode is a reference electrode that is exposed to a reference oxygen gas mixture so that the electrical potential is indicative of the oxygen in a gas stream.

  10. Solid-State Lighting Funding Opportunities | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Solid-State Lighting Funding Opportunities Solid-State Lighting Funding Opportunities DOE financial opportunities for solid-state lighting (SSL) include competitive solicitations, grants, and other federal funding mechanisms to advance innovative, energy-saving SSL technologies. DOE SSL PROGRAM The DOE SSL program supports research and development of promising SSL technologies through annual competitive solicitations that cover three areas: Core Technology Research, focusing on applied research

  11. Solid-State Lighting Solutions | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Technology Deployment » Solid-State Lighting Solutions Solid-State Lighting Solutions Solid-state lighting (SSL) technology has the potential to reduce U.S. lighting energy use by nearly one half and contribute significantly to our nation's climate change solutions. The Federal Energy Management Program's (FEMP) SSL initiatives offers a unique opportunity for the federal sector to lead large-scale implementation efforts focused on SSL applications ripe for near-term implementation through a

  12. Energy Department Announces $4 Million Solicitation for Solid-State

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Lighting Research | Department of Energy 4 Million Solicitation for Solid-State Lighting Research Energy Department Announces $4 Million Solicitation for Solid-State Lighting Research August 29, 2005 - 2:46pm Addthis Technology has Potential to Double Lighting Efficiency in U.S., Lowering Energy Bills WASHINGTON, DC - The U.S. Department of Energy (DOE) today announced a $4 million solicitation for research into solid-state lighting (SSL) that has the potential to create light with virtually

  13. DOE Announces Selections from Solid-State Lighting Core Technologies

    Energy Saver

    Funding Opportunity Announcement and Laboratory Call | Department of Energy from Solid-State Lighting Core Technologies Funding Opportunity Announcement and Laboratory Call DOE Announces Selections from Solid-State Lighting Core Technologies Funding Opportunity Announcement and Laboratory Call The National Energy Technology Laboratory (NETL), on behalf of the U.S. Department of Energy (DOE) is pleased to announce the selection of sixteen (16) applications in response to the Solid-State

  14. DOE Announces Selections from Solid-State Lighting Product Development

    Energy Saver

    Funding Opportunity Announcement | Department of Energy from Solid-State Lighting Product Development Funding Opportunity Announcement DOE Announces Selections from Solid-State Lighting Product Development Funding Opportunity Announcement The National Energy Technology Laboratory (NETL), on behalf of the U.S. Department of Energy (DOE), is pleased to announce the selection of five (5) applications in response to the Solid-State Lighting Product Development Funding Opportunity Announcement

  15. 2012 Solid-State Lighting Market Introduction Workshop Presentations and

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Materials | Department of Energy Market Introduction Workshop Presentations and Materials 2012 Solid-State Lighting Market Introduction Workshop Presentations and Materials This page provides links to the presentations and materials from the 2012 Solid-State Lighting Market Introduction Tutorials and Workshop, held July 17-19 in Pittsburgh, Pennsylvania. Presentations Pre-Workshop Tutorials Solid-State Lighting 101 Jack Curran, LED Transformations CALiPER: How Well Do LED Products Perform in

  16. 2013 Solid-State Lighting Market Introduction Workshop Presentations and

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Materials | Department of Energy Market Introduction Workshop Presentations and Materials 2013 Solid-State Lighting Market Introduction Workshop Presentations and Materials This page provides links to the presentations and materials from the 2013 Solid-State Lighting Market Introduction Workshop and Pre-Workshop LED Education, held November 12-14 in Portland, OR. Presentations Pre-Workshop LED Education Solid-State Lighting: The New Basics Jack Curran, LED Transformations Controls

  17. Solid-State Lighting Manufacturing Workshop | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Conferences & Meetings » Past Conferences » Solid-State Lighting Manufacturing Workshop Solid-State Lighting Manufacturing Workshop Nearly 200 lighting industry leaders, chip makers, fixture and component manufacturers, and others gathered in Fairfax, Virginia, on April 21 and 22, 2009, for the first-ever DOE Solid-State Lighting (SSL) Manufacturing Workshop, to explore issues related to materials, equipment, process control, and other factors that influence SSL product quality and cost.

  18. Solid-State Lighting Subprogram Overview - 2016 BTO Peer Review |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Subprogram Overview - 2016 BTO Peer Review Solid-State Lighting Subprogram Overview - 2016 BTO Peer Review Presenter: James R. Brodrick, U.S. Department of Energy This presentation at the 2016 Peer Review provided an overview of the Building Technologies Office's Solid-State Lighting subprogram. Through robust feedback, the BTO Program Peer Review enhances existing efforts and improves future designs. 2016 BTO Peer Review Presentation-Solid-State Lighting Subprogram

  19. 2009 Solid-State Lighting Vancouver Manufacturing Workshop Highlights |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy 09 Solid-State Lighting Vancouver Manufacturing Workshop Highlights 2009 Solid-State Lighting Vancouver Manufacturing Workshop Highlights Well over 150 lighting industry leaders gathered in Vancouver, Washington, on June 24-25, 2009, for the second DOE Solid-State Lighting (SSL) Manufacturing Workshop. The primary purpose was to review and refine a "strawman" roadmap for SSL manufacturing, based on insights and recommendations from the first workshop, which was

  20. Standards Development for Solid-State Lighting | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    D » Standards Development for Solid-State Lighting Standards Development for Solid-State Lighting To accelerate the development and implementation of needed standards for solid-state lighting products, DOE works closely with a network of standards-setting organizations and offers technical assistance and support. Since 2006, DOE has facilitated ongoing dialogue with key standards development organizations to foster greater coordination and collaboration among related efforts. Technical support

  1. THE TENTH ANNUAL SOLID-STATE LIGHTING TECHNOLOGY DEVELOPMENT WORKSHOP |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy THE TENTH ANNUAL SOLID-STATE LIGHTING TECHNOLOGY DEVELOPMENT WORKSHOP THE TENTH ANNUAL SOLID-STATE LIGHTING TECHNOLOGY DEVELOPMENT WORKSHOP More than 230 lighting leaders from across North America gathered in Portland, OR, November 17-18, 2015, for the tenth annual Solid-State Lighting Technology Development Workshop, hosted by DOE. The diverse audience spanned the spectrum of SSL stakeholders, representing lighting, control, and components companies as well as research

  2. Design of solid state neutral particle analyzer array for National...

    Office of Scientific and Technical Information (OSTI)

    Torus Experiment-Upgrade Citation Details In-Document Search Title: Design of solid state neutral particle analyzer array for National Spherical Torus Experiment-Upgrade A ...

  3. Solid-State Combustion of Metallic Nanoparticles: New Possibilities...

    Office of Scientific and Technical Information (OSTI)

    Metallic Nanoparticles: New Possibilities for an Alternative Energy Carrier Citation Details In-Document Search Title: Solid-State Combustion of Metallic Nanoparticles: New ...

  4. System Reliability Model for Solid-State Lighting Luminaires...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    712,234 Project Term: 9162011 - 9302016 Funding Opportunity: Solid State Lighting Core Technology Funding Opportunity Announcement (DE-FOA- 0000329) Project Objective The ...

  5. Mercury: A Diode-Pumped Solid-State Laser

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Advanced Optical Technologies Fiber Lasers Laser-Compton Light Source Technology ... Mercury: A Diode-Pumped Solid-State Laser Concurrent with the development of the National ...

  6. DOE Announces Selections for Solid-State Lighting Core Technology...

    Energy.gov [DOE] (indexed site)

    in response to the Solid-State Lighting (SSL) Core Technology Research Call (Round 6) ... knowledge or data, and represent a significant advancement in the SSL technology base. ...

  7. Four SBIR Grants Awarded for Solid-State Lighting Technology...

    Office of Environmental Management (EM)

    targeting advances in solid-state lighting (SSL) technology: VoltServer, Inc. - Low-Cost, High Efficiency Integration of SSL and Building Controls using a PET Power ...

  8. Solid-State Lighting Recovery Act Award Selections | Department...

    Energy Saver

    Solid-State Lighting Recovery Act Award Selections (16.18 KB) More Documents & Publications SSL Selections Descriptions v6.xls 2015 Project Portfolio 2016 Project Portfolio

  9. DOE Announces Selections for Solid-State Lighting Core Technology...

    Energy.gov [DOE] (indexed site)

    in response to the Solid-State Lighting (SSL) Core Technology Research and Product ... These selections are anticipated to significantly contribute to the goal of the SSL ...

  10. Lighting Designer Roundtable on Solid-State Lighting | Department...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    solid-state lighting (SSL) market and technology issues and encouraging a discussion of designers' experiences, ideas, and recommendations regarding SSL & SSL industry. ...

  11. Four SBIR Grants Awarded for Solid-State Lighting Technology

    Energy.gov [DOE]

    The U.S. Department of Energy Office of Science has awarded four Small Business Innovation Research (SBIR) grants targeting advances in solid-state lighting (SSL) technology:

  12. Solid State Processing of New Low Cost Titanium Powders Enabling...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Powders Enabling Affordable Automotive Components Solid State Processing of New Low Cost Titanium Powders Enabling Affordable Automotive Components Presentation given at ...

  13. Solid State Lighting LED Core Technology R&D Roundtable

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    The document should be referenced as: DOE SSL Program, "Solid State Lighting LED Core Technology R&D Roundtable," November 2015. Authors Monica Hansen LED Lighting Advisors Nnamnor ...

  14. FEMP Exterior Solid-State Lighting Technology Pilot | Department...

    Office of Environmental Management (EM)

    & Publications Federal Technology Deployment Pilot: Exterior Solid State Lighting Marine Corps Base Quantico (MCBQ) in Virginia Marine Corps Base Quantico Achieves 85% Savings...

  15. Solid-State Lighting R&D Plan June 2016

    Energy.gov [DOE] (indexed site)

    Solid-State Lighting Program Building Technologies Office Office of Energy Efficiency and Renewable ... In most regions of the world, even with government policy support, less than ...

  16. Solid-State Lighting Commercial Product Development Resulting...

    Energy.gov [DOE] (indexed site)

    Solid-State Lighting Commercial Product Development Resulting from DOE-Funded Projects The ... property (with more than 260 patents applied for or awarded), and the direct ...

  17. Solid-state lithium battery (Patent) | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    The present invention is directed to a higher power, thin film lithium-ion electrolyte on a metallic substrate, enabling mass-produced solid-state lithium batteries. ...

  18. Spectral, mechanical, thermal, optical and solid state parameters...

    Office of Scientific and Technical Information (OSTI)

    Solid state parameters such as plasma energy, Penn gap, Fermi energy and electronic ... is thermally stable up to 91 C. * Plasma energy, Fermi energy and electronic ...

  19. Flexible Thin Film Solid State Lithium Ion Batteries - Energy...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Flexible Thin Film Solid State Lithium Ion Batteries National Renewable Energy Laboratory Contact NREL About This Technology Technology Marketing Summary Batteries are ...

  20. Solid-state Dynamics of Uranyl Polyoxometalates. (Journal Article...

    Office of Scientific and Technical Information (OSTI)

    Journal Article: Solid-state Dynamics of Uranyl Polyoxometalates. Citation Details In-Document Search Title: ... Publication Date: 2014-01-01 OSTI Identifier: 1140494 Report ...

  1. Interior Lighting Efficiency for Municipalities | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Interior Lighting Efficiency for Municipalities Interior Lighting Efficiency for Municipalities This webinar covered a basic understanding of lighting, different types of lamps and luminaries, importance of energy efficiency in lighting, and knowledge of where to find financial resources. Presentation (3.14 MB) Transcript (95 KB) More Documents & Publications interiorlightingefficiencyformunicipalities.doc Exterior Solid-State Lighting Solutions for Municipalities States & Emerging

  2. Photon-counting solid-state photomultiplier

    SciTech Connect

    Petroff, M.D.; Stapelbroek, M.G.

    1989-02-01

    The Solid-State Photomultiplier is a silicon device capable of continuous detection of individual photons in the wave length range from 0.4 to 28 ..mu..m. Operated with an applied bias near 7 volts the device responds to the absorption of an incident photon with a submicrosecond-rise-time current pulse with a narrow amplitude distribution well above the electronic readout noise level. Optimal photon-counting performance occurs between 6 and 10 K and for count rates less than 10/sup 10/ counts/s per cm/sup 2/ of detector area. A 60% counting quantum efficiency has been demonstrated at 20 ..mu..m, and near 60% was observed in the visible light region. The underlying mechanism involves extremely fast internal charge amplification by impact ionization of impurity-band electrons and results in a pulse for each photoelectrically or thermally induced free carrier. The thermally induced dark pulse rate at 7 K is sufficiently low that background limited detector performance is obtained at a background of less than 10/sup 6/ photons/cm/sup 2/s.

  3. Solid State Replacement of Rotating Mirror Cameras

    SciTech Connect

    Frank, A M; Bartolick, J M

    2006-08-25

    Rotating mirror cameras have been the mainstay of mega-frame per second imaging for decades. There is still no electronic camera that can match a film based rotary mirror camera for the combination of frame count, speed, resolution and dynamic range. The rotary mirror cameras are predominantly used in the range of 0.1 to 100 micro-seconds per frame, for 25 to more than a hundred frames. Electron tube gated cameras dominate the sub microsecond regime but are frame count limited. Video cameras are pushing into the microsecond regime but are resolution limited by the high data rates. An all solid state architecture, dubbed ''In-situ Storage Image Sensor'' or ''ISIS'', by Prof. Goji Etoh, has made its first appearance into the market and its evaluation is discussed. Recent work at Lawrence Livermore National Laboratory has concentrated both on evaluation of the presently available technologies and exploring the capabilities of the ISIS architecture. It is clear though there is presently no single chip camera that can simultaneously match the rotary mirror cameras, the ISIS architecture has the potential to approach their performance.

  4. Transformations in Lighting: The Sixth Annual Solid-State Lighting R&D Workshop

    Office of Energy Efficiency and Renewable Energy (EERE)

    More than 400 SSL technology leaders from industry, research organizations, universities, national laboratories, manufacturing, energy efficiency organizations, utilities and municipalities gathered in San Francisco, CA to participate in the "Transformations in Lighting" Solid-State Lighting Workshop on February 3-5, 2009. The workshop, hosted by DOE, with sponsors BetaLED, Echelon, Pacific Gas & Electric, and Southern California Edison, was the sixth annual DOE meeting to accelerate SSL technology advances and guide market introduction of quality SSL products. The workshop brought together a diverse gathering of participants - from the R&D community to lighting designers and architects - to share insights, ideas, and updates on the rapidly evolving SSL market.

  5. SOLID-STATE CERAMIC LIGHTING PROJECT

    SciTech Connect

    Wayne D. Brown

    2003-06-01

    Meadow River Enterprises, Inc. (MRE) and the New York State College of Ceramics at Alfred University (NYSCC) received a DOE cooperative agreement award in September 1999 to develop an energy-efficient Solid-State Ceramic Lamp (SSCL). The program spanned a nominal two(2) year period ending in February of 2002. The federal contribution to the program totaled $1.6 million supporting approximately 78% of the program costs. The SSCL is a rugged electroluminescent lamp designed for outdoor applications. MRE has filed a provisional patent for this ''second generation'' technology and currently produces and markets blue-green phosphor SSCL devices. White phosphor SSCL devices are also available in prototype quantities. In addition to reducing energy consumption, the ceramic EL lamp offers several economic and societal advantages including lower lifecycle costs and reduced ''light pollution''. Significant further performance improvements are possible but will require a dramatic change in device physical construction related to the use of micro-powder materials and processes. The subject ''second-generation'' program spans a 27 month period and combines the materials and processing expertise of NYSCC, the manufacturing expertise of Meadow River Enterprises, and the phosphor development expertise of OSRAM Sylvania to develop an improved SSCL system. The development plan also includes important contributions by Marshall University (a part of the West Virginia University system). All primary development objectives have been achieved with the exception of improved phosphor powders. The performance characteristics of the first generation SSCL devices were carefully analyzed in year 1 and a second generation lamp was defined and optimized in year 2. The provisional patent was ''perfected'' through a comprehensive patent application filed in November 2002. Lamp efficiency was improved more than 2:1.

  6. Solid-State Lighting Commercial Product Development Resulting from

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    DOE-Funded Projects | Department of Energy Commercial Product Development Resulting from DOE-Funded Projects Solid-State Lighting Commercial Product Development Resulting from DOE-Funded Projects Commercial Products Fact Sheet September 2016 (1.39 MB) More Documents & Publications Lumileds R&D Impacts Summary Solid-State Lighting Recovery Act Award Selections 2015 Project Portfolio

  7. Solid-State Lighting Calendar | Department of Energy

    Energy Saver

    Solid-State Lighting Calendar Solid-State Lighting Calendar July 2016 < prev next > Sun Mon Tue Wed Thu Fri Sat 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ...

  8. High Extraction Phosphors for Solid State Lighting

    SciTech Connect

    Chris Summers; Hisham Menkara; Brent Wagner

    2011-09-30

    We have developed high-index, high efficiency bulk luminescent materials and novel nano-sized phosphors for improved solid-state white LED lamps. These advances can potentially contribute to reducing the loss in luminous efficiencies due to scattering, re-absorption, and thermal quenching. The bulk and nanostructured luminescent materials investigated are index matched to GaN and have broad and size-tunable absorption bands, size and impurity tuned emission bands, size-driven elimination of scattering effects, and a separation between absorption and emission bands. These innovations were accomplished through the use of novel synthesis techniques suitable for high volume production for LED lamp applications. The program produced a full-color set of high quantum yield phosphors with high chemical stability. In the bulk phosphor study, the ZnSeS:Cu,Ag phosphor was optimized to achieve >91% efficiency using erbium (Er) and other activators as sensitizers. Detailed analysis of temperature quenching effects on a large number of ZnSeS:Cu,Ag,X and strontium- and calcium-thiogallate phosphors lead to a breakthrough in the understanding of the ??anti-quenching? behavior and a physical bandgap model was developed of this phenomena. In a follow up to this study, optimized phosphor blends for high efficiency and color performance were developed and demonstrated a 2-component phosphor system with good white chromaticity, color temperature, and high color rendering. By extending the protocols of quantum dot synthesis, ??large? nanocrystals, greater than 20 nm in diameter were synthesized and exhibited bulk-like behavior and blue light absorption. The optimization of ZnSe:Mn nanophosphors achieved ~85% QE The limitations of core-shell nanocrystal systems were addressed by investigating alternative deltadoped structures. To address the manufacturability of these systems, a one-pot manufacturing protocol was developed for ZnSe:Mn nanophosphors. To enhance the stability of

  9. Solid-state optical refrigeration to sub-100 Kelvin regime

    DOE PAGES [OSTI]

    Melgaard, Seth D.; Albrecht, Alexander R.; Hehlen, Markus P.; Sheik-Bahae, Mansoor

    2016-02-05

    We report that since the first demonstration of net cooling twenty years ago, optical refrigeration of solids has progressed to outperform all other solid-state cooling processes. It has become the first and only solid-state refrigerator capable of reaching cryogenic temperatures, and now the first solid-state cooling below 100 K. Such substantial progress required a multi-disciplinary approach of pump laser absorption enhancement, material characterization and purification, and thermal management. Here we present the culmination of two decades of progress, the record cooling to ≈91K from room temperature.

  10. Energy Department Provides $7 Million for Solid-State Lighting...

    Office of Environmental Management (EM)

    million for five cost-shared projects for solid-state lighting (SSL) product development. ... activities that will advance state-of-the-art SSL used for general lighting applications. ...

  11. Transformations in Lighting: The Ninth Annual Solid-State Lighting...

    Energy Saver

    to participate in DOE's "Transformations in Lighting" Solid-State Lighting (SSL) R&D Workshop. DOE SSL Portfolio Manager James Brodrick kicked off Day 1 by observing that although ...

  12. Solid-State Lighting Consortia | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    in the Solid-State Lighting (SSL) Consortia is a low-cost-low-risk way to benefit from the knowledge and experience of others. The goal of the SSL Consortia is to help specific ...

  13. Solid-State Lighting Commercial Product Development Resulting...

    Energy Saver

    ...uct-factsheetjun2015.pdf (1.11 MB) More Documents & Publications Lumileds R&D Impacts Summary SSL Selections Descriptions v6.xls Solid-State Lighting Recovery Act Award Selections

  14. Solid state division progress report, period ending February 29, 1980

    SciTech Connect

    Not Available

    1980-09-01

    Research is reported concerning theoretical solid state physics; surface and near-surface properties of solids; defects in solids; transport properties of solids; neutron scattering; crystal growth and characterization; and isotope research materials.

  15. Friction Stir and Ultrasonic Solid State Joining of Magnesium...

    Energy.gov [DOE] (indexed site)

    FSW & USW Solid State Joining of Magnesium to Steel Formability of Direct Cast Mg Sheet and Friction Stir and Ultrasonic Joining of Magnesium to Steel FY 2009 Progress Report for ...

  16. Solid-state Dynamics of Uranyl Polyoxometalates. (Journal Article...

    Office of Scientific and Technical Information (OSTI)

    Solid-state Dynamics of Uranyl Polyoxometalates. Citation Details ... Publication Date: 2014-02-01 OSTI Identifier: 1141018 Report Number(s): SAND2014-1617J Journal ID: ISSN ...

  17. Solid-State Lighting Videos | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Videos Solid-State Lighting Videos On this page you can access DOE Solid-State Lighting (SSL) Program videos. LED COLOR-TUNABLE PRODUCTS VIDEOS understanding.jpg Understanding LED Color-Tunable Products View the video describing types of LED color-tunable products along with associated characteristics, advantages, and issues. specifying.jpg Specifying LED Color-Tunable Products View the video overview of the issues surrounding specifying LED color-tunable products. controlling.jpg Controlling

  18. Solid-State Energy Conversion Overview | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Solid-State Energy Conversion Overview Solid-State Energy Conversion Overview 2010 DOE Vehicle Technologies and Hydrogen Programs Annual Merit Review and Peer Evaluation Meeting, June 7-11, 2010 -- Washington D.C. ace00e_fairbanks_2010_o.pdf (2.14 MB) More Documents & Publications Vehicular Thermoelectrics: The New Green Technology Thermoelectrics: The New Green Automotive Technology Automotive Thermoelectric Generators and HVAC

  19. Solid-State Lighting Manufacturing Research and Development - Round 3

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    (DE-FOA-0000561) | Department of Energy 3 (DE-FOA-0000561) Solid-State Lighting Manufacturing Research and Development - Round 3 (DE-FOA-0000561) September 23, 2011 - 6:44pm Addthis This funding opportunity is closed. The objective of this Funding Opportunity Announcement (FOA) is achieve cost reduction of solid-state lighting for general illumination through improvements in manufacturing equipment, processes, or techniques. It is anticipated that success will lead to a more rapid

  20. Solid-State Lighting Manufacturing Research and Development - Round 4

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    (DE-FOA-0000792) | Department of Energy 4 (DE-FOA-0000792) Solid-State Lighting Manufacturing Research and Development - Round 4 (DE-FOA-0000792) November 29, 2012 - 12:00pm Addthis This funding opportunity is closed. The objective of this Funding Opportunity Announcement (FOA) is to achieve cost reduction of solid-state lighting (SSL) for general illumination through improvements in manufacturing equipment, processes, or techniques. It is anticipated that success will lead to a more rapid

  1. Solid-State Lighting-Lighting Facts | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Lighting Facts Solid-State Lighting-Lighting Facts Presenter: Marc Ledbetter, Pacific Northwest National Laboratory The LED Lighting Facts program provides credible, verified performance information about light-emitting diode (LED) lighting products to retailers, utilities, specifiers, energy efficiency program sponsors, and lighting users. The goal is to enable widespread market adoption of energy-efficient LED products by removing the lack-of-information market barrier. For the solid-state

  2. Solid - state electrochemical heat engines (Journal Article) | SciTech

    Office of Scientific and Technical Information (OSTI)

    Connect Solid - state electrochemical heat engines Citation Details In-Document Search Title: Solid - state electrochemical heat engines Authors: Richards, George ; Gemmen, Randall S. ; Williams, Mark C. Publication Date: 2015-03-01 OSTI Identifier: 1247809 Type: Publisher's Accepted Manuscript Journal Name: International Journal of Hydrogen Energy Additional Journal Information: Journal Volume: 40; Journal Issue: 9; Related Information: CHORUS Timestamp: 2016-09-04 14:21:07; Journal ID:

  3. Municipal Consortium LED Street Lighting Workshop Presentations...

    Energy Saver

    Massaro, Glenn Cooper, Matthew Mayrl, City of Boston System Reliability for Outdoor SSL Tom Bevan, CreeBetaLED Investor Owned Utility Financial Perspective Michael Stevens, ...

  4. Municipal Consortium LED Street Lighting Workshop Presentations...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Presentations and Materials Workshop Agenda ONCOR LED Streetlight Pilot & Technical Evaluation Update Michael Navarro, ONCOR Reading, Understanding, and Applying the LM-80 Standard ...

  5. Solid-State Lighting Patents Resulting from DOE-Funded Projects

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    SOLID-STATE LIGHTING BUILDING TECHNOLOGIES OFFICE Solid-State Lighting Patents Resulting from DOE-Funded Projects As of January 2015, 96 solid-state lighting (SSL) patents have ...

  6. Energy Savings Potential of Solid-State Lighting in General Illuminati...

    Energy Saver

    Savings Potential of Solid-State Lighting in General Illumination Applications January 2012 Prepared for: Solid-State Lighting Program Building Technologies Program Office of ...

  7. Phase-field Modeling of Nucleation in Solid-State Phase Transformation...

    Office of Scientific and Technical Information (OSTI)

    of Nucleation in Solid-State Phase Transformations Citation Details In-Document Search Title: Phase-field Modeling of Nucleation in Solid-State Phase Transformations You ...

  8. Solid-State Lighting Patents Resulting from DOE-Funded Projects

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Array Interconnect * Ultra-Thin Ohmic Contacts for P-type ... patent applications filed SOLID-STATE LIGHTING: Solid-State ... of Organic Semiconducting Films by Improved Solution ...

  9. Wideband Waveform Design principles for Solid-state Weather Radars

    SciTech Connect

    Bharadwaj, Nitin; Chandrasekar, V.

    2012-01-01

    The use of solid-state transmitter is becoming a key part of the strategy to realize a network of low cost electronically steered radars. However, solid-state transmitters have low peak powers and this necessitates the use of pulse compression waveforms. In this paper a frequency diversity wideband waveforms design is proposed to mitigate low sensitivity of solid-state transmitters. In addition, the waveforms mitigate the range eclipsing problem associated with long pulse compression. An analysis of the performance of pulse compression using mismatched compression filters designed to minimize side lobe levels is presented. The impact of range side lobe level on the retrieval of Doppler moments are presented. Realistic simulations are performed based on CSU-CHILL radar data and Center for Collaborative Adaptive Sensing of the Atmosphere (CASA) Integrated Project I (IP1) radar data.

  10. All solid-state SBS phase conjugate mirror

    DOEpatents

    Dane, C.B.; Hackel, L.A.

    1999-03-09

    A stimulated Brillouin scattering (SBS) phase conjugate laser mirror uses a solid-state nonlinear gain medium instead of the conventional liquid or high pressure gas medium. The concept has been effectively demonstrated using common optical-grade fused silica. An energy threshold of 2.5 mJ and a slope efficiency of over 90% were achieved, resulting in an overall energy reflectivity of >80% for 15 ns, 1 um laser pulses. The use of solid-state materials is enabled by a multi-pass resonant architecture which suppresses transient fluctuations that would otherwise result in damage to the SBS medium. This all solid state phase conjugator is safer, more reliable, and more easily manufactured than prior art designs. It allows nonlinear wavefront correction to be implemented in industrial and defense laser systems whose operating environments would preclude the introduction of potentially hazardous liquids or high pressure gases. 8 figs.

  11. All solid-state SBS phase conjugate mirror

    DOEpatents

    Dane, Clifford B.; Hackel, Lloyd A.

    1999-01-01

    A stimulated Brillouin scattering (SBS) phase conjugate laser mirror uses a solid-state nonlinear gain medium instead of the conventional liquid or high pressure gas medium. The concept has been effectively demonstrated using common optical-grade fused silica. An energy threshold of 2.5 mJ and a slope efficiency of over 90% were achieved, resulting in an overall energy reflectivity of >80% for 15 ns, 1 um laser pulses. The use of solid-state materials is enabled by a multi-pass resonant architecture which suppresses transient fluctuations that would otherwise result in damage to the SBS medium. This all solid state phase conjugator is safer, more reliable, and more easily manufactured than prior art designs. It allows nonlinear wavefront correction to be implemented in industrial and defense laser systems whose operating environments would preclude the introduction of potentially hazardous liquids or high pressure gases.

  12. Solid-State Lighting News | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Solid-State Lighting News Solid-State Lighting News October 27, 2016 DOE Publishes CALiPER Report on the Testing of OLED Luminaires The U.S. Department of Energy (DOE) has released CALiPER Report 24: Photometric Testing, Laboratory Teardowns, and Accelerated Lifetime Testing of OLED Luminaires, which is the first CALiPER report evaluating the performance of OLED luminaires based on independent procurement and testing. Among the findings: October 17, 2016 New CALiPER Snapshot Report on Outdoor

  13. Testimonials - Partnerships in Solid-State Lighting - Cree, Inc. |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Cree, Inc. Testimonials - Partnerships in Solid-State Lighting - Cree, Inc. Addthis Text Version The words "Office of Energy Efficiency & Renewable Energy, U.S. Department of Energy, EERE Partnership Testimonials," appear on the screen, followed by "John Edmond, Director of Advanced Opto Electronics Technology, Cree, Inc." and footage of a man in a showcase room. John Edmond: We should care as a country about creating jobs, and solid-state

  14. Testimonials - Partnerships in Solid-State Lighting - Soraa, Inc. |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Soraa, Inc. Testimonials - Partnerships in Solid-State Lighting - Soraa, Inc. Addthis Text Version The words "Office of Energy Efficiency & Renewable Energy, U.S. Department of Energy, EERE Partnership Testimonials," appear on the screen, followed by "Mike Krames, Chief Technology Officer, Soraa, Inc." and footage of a man in a lab. Mike Krames: The Department of Energy has done a great job in supporting solid-state lighting in the United States.

  15. Space-time complexity in solid state models

    SciTech Connect

    Bishop, A.R.

    1985-01-01

    In this Workshop on symmetry-breaking it is appropriate to include the evolving fields of nonlinear-nonequilibrium systems in which transitions to and between various degrees of ''complexity'' (including ''chaos'') occur in time or space or both. These notions naturally bring together phenomena of pattern formation and chaos and therefore have ramifications for a huge array of natural sciences - astrophysics, plasmas and lasers, hydrodynamics, field theory, materials and solid state theory, optics and electronics, biology, pattern recognition and evolution, etc. Our particular concerns here are with examples from solid state and condensed matter.

  16. High-Efficiency Solid-State Heat Pump Module

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Solid-State Heat Pump Module 2016 Building Technologies Office Peer Review Dr. S. Ravi Annapragada annaprs@utrc.utc.com United Technologies Research Center creativecommons.org creativecommons.org 2 Project Summary Timeline: Start date: September, 2015 Planned end date: August, 2017 Key Milestones 1. Phase 1: Demonstrate >8 °C material-level calorimetric performance that enables an electrocaloric module COP > 6.0 2. Phase 2: Demonstrate TRL3 solid-state heat pump module Budget: Total

  17. Roundtable Discussions of the Solid State Lighting R&D Task Priorities Jan. 2011

    SciTech Connect

    none,

    2011-01-01

    A document for the Department of Energy, Energy Efficiency and Renewable Energy, Solid State Lighting

  18. Roundtable Discussions of the Solid State Lighting R&D Task Priorities Nov. 2009

    SciTech Connect

    none,

    2010-01-01

    A document for the Department of Energy, Energy Efficiency and Renewable Energy, Solid State Lighting

  19. Energy Department Solid-State Lighting Efforts Spark New Paradigm

    Energy.gov [DOE]

    Breakthroughs in solid-state lighting (SSL) technology, driven in part by Energy Department research investments, are leading to sweeping changes in the way lighting experts view the vast economic potential of future lighting systems and their growing benefits to society.

  20. Ultrafast laser spectroscopy in complex solid state materials

    SciTech Connect

    Li, Tianqi

    2014-12-01

    This thesis summarizes my work on applying the ultrafast laser spectroscopy to the complex solid state materials. It shows that the ultrafast laser pulse can coherently control the material properties in the femtosecond time scale. And the ultrafast laser spectroscopy can be employed as a dynamical method for revealing the fundamental physical problems in the complex material systems.

  1. Solid state lift for micrometering in a fuel injector

    DOEpatents

    Milam, David M.; Carroll, Thomas S.; Lee, Chien-Chang; Miller, Charles R.

    2002-01-01

    A fuel injector performs main fuel injection by raising fuel pressure in a nozzle chamber to lift a check valve member to a fully open position, and performs preinjection or microinjection by operating a solid state motor to lift the check valve member a much smaller distance.

  2. Solid-State Lighting Overview - 2015 BTO Peer Review | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Solid-State Lighting Overview - 2015 BTO Peer Review Solid-State Lighting Overview - 2015 BTO Peer Review Presenter: Jim Brodrick, U.S. Department of Energy View the Presentation Solid-State Lighting Overview - 2015 BTO Peer Review (967.78 KB) More Documents & Publications Solid-State Lighting Subprogram Overview - 2016 BTO Peer Review Solid-State Lighting Program Strategy Overview - 2014 BTO Peer Review Materials for R&D Workshop

  3. FEMP Exterior Solid-State Lighting Technology Pilot | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Exterior Solid-State Lighting Technology Pilot FEMP Exterior Solid-State Lighting Technology Pilot Presentation-given at at the Fall 2012 Federal Utility Partnership Working Group (FUPWG) meeting-covers the Federal Energy Management Program's (FEMP's) exterior solid-state lighting initiative and technology pilot. Download the FEMP Exterior Solid-State Lighting Technology Pilot presentation. (1.44 MB) More Documents & Publications Federal Technology Deployment Pilot: Exterior Solid State

  4. Scaling of solid state lasers for satellite power beaming applications

    SciTech Connect

    Friedman, H.W.; Albrecht, G.F.; Beach, R.J.

    1994-01-01

    The power requirements for a satellite power beaming laser system depend upon the diameter of the beam director, the performance of the adaptive optics system, and the mission requirements. For an 8 meter beam director and overall Strehl ratio of 50%, a 30 kW laser at 850 nm can deliver an equivalent solar flux to a satellite at geostationary orbit. Advances in Diode Pumped Solid State Lasers (DPSSL) have brought these small, efficient and reliable devices to high average power and they should be considered for satellite power beaming applications. Two solid state systems are described: a diode pumped Alexandrite and diode pumped Thulium doped YAG. Both can deliver high average power at 850 nm in a single aperture.

  5. Solid State NMR Investigations of Zeolite - Intercalate Structures

    SciTech Connect

    Fyfe, Colin A.; Diaz, Anix; Brouwer, Darren H.; Lee, Joseph; Schneider, Celine M.; Scheffler, Franziska A.; Darton, Richard J.

    2006-07-24

    We will describe two topics in which structural information on complexes of zeolites is obtained from solid state NMR. In the first, recent work on the determination of the complete three-dimensional structures of the complexes of zeolites with organic sorbates will be briefly reported. The method has been optimized and the presentation of the results systematized. In the second topic, we will describe how solid state NMR can be used in the reverse sense to probe for the existence and structures of nanocrystals whose dimensions are too small to give proper Bragg scattering and which have been proposed to be the synthesis route for the formation of zeolite ZSM-5. In this study, the spectral parameters of probe template molecules are used as being diagnostic of whether the local environment of the framework has been formed. These are independent of the crystal dimensions and this general approach may be applicable to other similar nano systems.

  6. Structures and fabrication techniques for solid state electrochemical devices

    DOEpatents

    Visco, Steven J.; Jacobson, Craig P.; DeJonghe, Lutgard C.

    2006-10-10

    Low-cost, mechanically strong, highly electronically conductive porous substrates and associated structures for solid-state electrochemical devices, techniques for forming these structures, and devices incorporating the structures provide solid state electrochemical device substrates of novel composition and techniques for forming thin electrode/membrane/electrolyte coatings on the novel or more conventional substrates. In particular, in one aspect the invention provides techniques for co-firing of device substrate (often an electrode) with an electrolyte or membrane layer to form densified electrolyte/membrane films 5 to 20 microns thick. In another aspect, densified electrolyte/membrane films 5 to 20 microns thick may be formed on a pre-sintered substrate by a constrained sintering process. In some cases, the substrate may be a porous metal, alloy, or non-nickel cermet incorporating one or more of the transition metals Cr, Fe and Cu, or alloys thereof.

  7. Structures And Fabrication Techniques For Solid State Electrochemical Devices

    DOEpatents

    Visco, Steven J.; Jacobson, Craig P.; DeJonghe, Lutgard C.

    2005-12-27

    Provided are low-cost, mechanically strong, highly electronically conductive porous substrates and associated structures for solid-state electrochemical devices, techniques for forming these structures, and devices incorporating the structures. The invention provides solid state electrochemical device substrates of novel composition and techniques for forming thin electrode/membrane/electrolyte coatings on the novel or more conventional substrates. In particular, in one embodiment the invention provides techniques for co-firing of device substrate (often an electrode) with an electrolyte or membrane layer to form densified electrolyte/membrane films 5 to 20 microns thick. In another embodiment, densified electrolyte/membrane films 5 to 20 microns thick may be formed on a pre-sintered substrate by a constrained sintering process. In some cases, the substrate may be a porous metal, alloy, or non-nickel cermet incorporating one or more of the transition metals Cr, Fe, Cu and Ag, or alloys thereof.

  8. Solid-State Water Electrolysis with an Alkaline Membrane

    SciTech Connect

    Leng, YJ; Chen, G; Mendoza, AJ; Tighe, TB; Hickner, MA; Wang, CY

    2012-06-06

    We report high-performance, durable alkaline membrane water electrolysis in a solid-state cell. An anion exchange membrane (AEM) and catalyst layer ionomer for hydroxide ion conduction were used without the addition of liquid electrolyte. At 50 degrees C, an AEM electrolysis cell using iridium oxide as the anode catalyst and Pt black as the cathode catalyst exhibited a current density of 399 mA/cm(2) at 1.80 V. We found that the durability of the AEM-based electrolysis cell could be improved by incorporating a highly durable ionomer in the catalyst layer and optimizing the water feed configuration. We demonstrated an AEM-based electrolysis cell with a lifetime of > 535 h. These first-time results of water electrolysis in a solid-state membrane cell are promising for low-cost, scalable hydrogen production.

  9. Structures and fabrication techniques for solid state electrochemical devices

    DOEpatents

    Visco, Steven J.; Jacobson, Craig P.; DeJonghe, Lutgard C.

    2003-08-12

    Provided are low-cost, mechanically strong, highly electronically conductive porous substrates and associated structures for solid-state electrochemical devices, techniques for forming these structures, and devices incorporating the structures. The invention provides solid state electrochemical device substrates of novel composition and techniques for forming thin electrode/membrane/electrolyte coatings on the novel or more conventional substrates. In particular, in one embodiment the invention provides techniques for co-firing of device substrate (often an electrode) with an electrolyte or membrane layer to form densified electrolyte/membrane films 5 to 20 microns thick. In another embodiment, densified electrolyte/membrane films 5 to 20 microns thick may be formed on a pre-sintered substrate by a constrained sintering process. In some cases, the substrate may be a porous metal, alloy, or non-nickel cermet incorporating one or more of the transition metals Cr, Fe, Cu and Ag, or alloys thereof.

  10. Composite Solid-State Scintillators for Neutron Detection - Energy

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Innovation Portal Energy Analysis Energy Analysis Advanced Materials Advanced Materials Find More Like This Return to Search Composite Solid-State Scintillators for Neutron Detection Oak Ridge National Laboratory Contact ORNL About This Technology Technology Marketing Summary Using a room temperature process, a new type of transparent, crack-free, monolithic scintillator has been developed at ORNL. This invention uses thin-film, glass, and fiber-optic sensors, and is based on the preparation

  11. Low voltage solid-state lateral coloration electrochromic device

    DOEpatents

    Tracy, C.E.; Benson, D.K.; Ruth, M.R.

    1984-12-21

    A solid-state transition metal oxide device comprising a plurality of layers having a predisposed orientation including an electrochromic oxide layer. Conductive material including anode and cathode contacts is secured to the device. Coloration is actuated within the electrochromic oxide layer after the application of a predetermined potential between the contacts. The coloration action is adapted to sweep or dynamically extend across the length of the electrochromic oxide layer.

  12. Low voltage solid-state lateral coloration electrochromic device

    DOEpatents

    Tracy, C. Edwin; Benson, David K.; Ruth, Marta R.

    1987-01-01

    A solid-state transition metal oxide device comprising a plurality of lay having a predisposed orientation including an electrochromic oxide layer. Conductive material including anode and cathode contacts is secured to the device. Coloration is actuated within the electrochromic oxide layer after the application of a predetermined potential between the contacts. The coloration action is adapted to sweep or dynamically extend across the length of the electrochromic oxide layer.

  13. Solid state laser media driven by remote nuclear powered fluorescence

    DOEpatents

    Prelas, Mark A.

    1992-01-01

    An apparatus is provided for driving a solid state laser by a nuclear powered fluorescence source which is located remote from the fluorescence source. A nuclear reaction produced in a reaction chamber generates fluorescence or photons. The photons are collected from the chamber into a waveguide, such as a fiber optic waveguide. The waveguide transports the photons to the remote laser for exciting the laser.

  14. Position sensitive solid-state photomultipliers, systems and methods

    DOEpatents

    Shah, Kanai S; Christian, James; Stapels, Christopher; Dokhale, Purushottam; McClish, Mickel

    2014-11-11

    An integrated silicon solid state photomultiplier (SSPM) device includes a pixel unit including an array of more than 2.times.2 p-n photodiodes on a common substrate, a signal division network electrically connected to each photodiode, where the signal division network includes four output connections, a signal output measurement unit, a processing unit configured to identify the photodiode generating a signal or a center of mass of photodiodes generating a signal, and a global receiving unit.

  15. Structures and fabrication techniques for solid state electrochemical devices

    DOEpatents

    Visco, Steven J.; Jacobson, Craig P.; DeJonghe, Lutgard C.

    2008-04-01

    Porous substrates and associated structures for solid-state electrochemical devices, such as solid-oxide fuel cells (SOFCs), are low-cost, mechanically strong and highly electronically conductive. Some preferred structures have a thin layer of an electrocatalytically active material (e.g., Ni--YSZ) coating a porous high-strength alloy support (e.g., SS-430) to form a porous SOFC fuel electrode. Electrode/electrolyte structures can be formed by co-firing or constrained sintering processes.

  16. Structures and fabrication techniques for solid state electrochemical devices

    DOEpatents

    Visco, Steven J.; Jacobson, Craig P.; DeJonghe, Lutgard C.

    2012-10-09

    Porous substrates and associated structures for solid-state electrochemical devices, such as solid-oxide fuel cells (SOFCs), are low-cost, mechanically strong and highly electronically conductive. Some preferred structures have a thin layer of an electrocatalytically active material (e.g., Ni--YSZ) coating a porous high-strength alloy support (e.g., SS-430) to form a porous SOFC fuel electrode. Electrode/electrolyte structures can be formed by co-firing or constrained sintering processes.

  17. System Reliability Model for Solid-State Lighting Luminaires | Department

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    of Energy Presenter: Lynn Davis, RTI International This project is developing and validating a probabilistic reliability prediction tool, and accelerated life testing methodologies, to help lighting manufacturers and stakeholders answer two questions: (1) How can the promised reliability for a rapidly changing technology platform be ensured?, and (2) What will the usage and maintenance profiles be for a product that lasts 15 years? Solid-state lighting (SSL) is described as being highly

  18. System Reliability Model for Solid-State Lighting Luminaires | Department

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    of Energy Lead Performer: RTI International - Research Triangle Park, NC Partner: Auburn University - Auburn, AL DOE Total Funding: $2,848,942 Cost Share: $712,234 Project Term: September 16, 2011 - September 30, 2016 Funding Opportunity: Solid State Lighting Core Technology Funding Opportunity Announcement (DE-FOA- 0000329) Project Objective The primary objectives of the proposed work will be to develop and validate a reliability model and accelerated life testing (ALT) methodologies for

  19. Solid state photosensitive devices which employ isolated photosynthetic complexes

    DOEpatents

    Peumans, Peter; Forrest, Stephen R.

    2009-09-22

    Solid state photosensitive devices including photovoltaic devices are provided which comprise a first electrode and a second electrode in superposed relation; and at least one isolated Light Harvesting Complex (LHC) between the electrodes. Preferred photosensitive devices comprise an electron transport layer formed of a first photoconductive organic semiconductor material, adjacent to the LHC, disposed between the first electrode and the LHC; and a hole transport layer formed of a second photoconductive organic semiconductor material, adjacent to the LHC, disposed between the second electrode and the LHC. Solid state photosensitive devices of the present invention may comprise at least one additional layer of photoconductive organic semiconductor material disposed between the first electrode and the electron transport layer; and at least one additional layer of photoconductive organic semiconductor material, disposed between the second electrode and the hole transport layer. Methods of generating photocurrent are provided which comprise exposing a photovoltaic device of the present invention to light. Electronic devices are provided which comprise a solid state photosensitive device of the present invention.

  20. Report from the Street

    Energy Saver

    SHERMAN STREET, CAMBRIDGE, MA 02140 617.354.4502 LAMPARTNERS.COM BLOG.LAMPARTNERS.COM Report from the Street Glenn Heinmiller, FIALD, LC, LEED AP Principal, Lam Partners Chair,...

  1. Funding Opportunity for Solid-State Lighting Advanced Technology R&D – 2014

    Energy.gov [DOE]

    On December 6, 2013, DOE announced solid-state lighting funding opportunity DE-FOA-0000973, "Solid-State Lighting Advanced Technology R&D - 2014." A total of up to $10 million in funding is...

  2. "Solid-state Lighting: 'The case' 10 Years After and FutureProspects...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solid-state Lighting: 'The case' 10 Years After and Future Prospects" paper will be ... Twitter Google + Vimeo GovDelivery SlideShare "Solid-state Lighting: 'The case' 10 Years ...

  3. Solid-State Lighting Patents Resulting from DOE-Funded Projects...

    Energy Saver

    Patents Resulting from DOE-Funded Projects Solid-State Lighting Patents Resulting from DOE-Funded Projects 2013 DOE Solid-State Lighting Program Fact Sheet patentsfactsheetfeb201...

  4. Miniature all-solid-state heterostructure nanowire Li-ion batteries...

    Office of Scientific and Technical Information (OSTI)

    Miniature all-solid-state heterostructure nanowire Li-ion batteries as a tool for ... Title: Miniature all-solid-state heterostructure nanowire Li-ion batteries as a tool for ...

  5. Report Summary: Hammer Testing Findings for Solid-State Lighting Luminaires

    SciTech Connect

    2014-01-01

    Brief summary of DOE LED Systems Reliability Consortium's Hammer Testing Findings for Solid-State Lighting Luminaires report.

  6. Energy Savings Potential of Solid-State Lighting in General Illumination Applications 2010 to 2030

    SciTech Connect

    none,

    2010-02-01

    A report on the energy savings potential of solid-state lighting in general illumination applications from 2010 to 2030.

  7. Solid-State Lighting Commercial Product Development Resulting from DOE-Funded Projects

    SciTech Connect

    2015-06-30

    Nnapshot of commercialized products directly developed or enabled by DOE Solid-State Lighting Program R&D funding.

  8. Energy Savings Potential of Solid-State Lighting in General Illumination Applications- Report

    Energy.gov [DOE]

    A U.S. DOE SSL report on Energy Savings Potential of Solid-State Lighting in General Illumination Applications.

  9. Solid-State Lighting Patents Resulting from DOE-Funded Projects |

    Energy Saver

    Department of Energy Lighting Patents Resulting from DOE-Funded Projects Solid-State Lighting Patents Resulting from DOE-Funded Projects 2014 DOE Solid-State Lighting Program Fact Sheet patents_factsheet_jan2014.pdf (809.47 KB) More Documents & Publications Solid-State Lighting Patents Resulting from DOE-Funded Projects Solid-State Lighting Patents Resulting from DOE-Funded Projects 2015 Project Portfolio

  10. FTIR spectrometer with solid-state drive system

    DOEpatents

    Rajic, Slobodan; Seals, Roland D.; Egert, Charles M.

    1999-01-01

    An FTIR spectrometer (10) and method using a solid-state drive system with thermally responsive members (27) that are subject to expansion upon heating and to contraction upon cooling. Such members (27) are assembled in the device (10) so as to move an angled, reflective surface (22) a small distance. The sample light beam (13) is received at a detector (24) along with a reference light beam (13) and there it is combined into a resulting signal. This allows the "interference" between the two beams to occur for spectral analysis by a processor (29).

  11. Solid-State Lighting | Center for Energy Efficient Materials

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solid-State Lighting Our goal is to advance the fundamental science and technology to both understand factors that limit efficiencies for light emitting diode-based lighting and to provide innovative and viable solutions to current roadblocks. We intend to achieve these goals by: (1) control and elucidation of the carrier loss mechanisms on nonpolar/semipolar GaN LEDs; (2) growth of defect-free bulk GaN crystals; and (3) full-spectrum lighting using an all semiconductor-based emission region;

  12. Method for joining metal by solid-state bonding

    DOEpatents

    Burkhart, L. Elkin; Fultz, Chester R.; Maulden, Kerry A.

    1979-01-01

    The present development is directed to a method for joining metal at relatively low temperatures by solid-state bonding. Planar surfaces of the metal workpieces are placed in a parallel abutting relationship with one another. A load is applied to at least one of the workpieces for forcing the workpieces together while one of the workpieces is relatively slowly oscillated in a rotary motion over a distance of about 1.degree.. After a preselected number of oscillations, the rotary motion is terminated and the bond between the abutting surfaces is effected. An additional load may be applied to facilitate the bond after terminating the rotary motion.

  13. A solid state Marx generator for TEL2

    SciTech Connect

    Kamerdzhiev, V.; Pfeffer, H.; Saewert, G.; Shiltsev, V.; /Fermilab

    2007-06-01

    The solid-state Marx generator modulates the anode of the electron gun to produce the electron beam pulses in the second Tevatron Electron Lens (TEL2). It is capable of driving the 60 pF terminal with 600 ns pulses of up to 6 kV with a p.r.r. of 50 kHz. The rise and fall times are 150 ns. Stangenes Industries developed the unit and is working on a second version which will go to higher voltage and have the ability to vary its output in 396 ns intervals over a 5 {micro}s pulse.

  14. Heat Pump Water Heater Using Solid-State Energy Converters

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Heat Pump Water Heater Using Solid-State Energy Converters 2015 Building Technologies Office Peer Review Uttam Ghoshal, ghoshal@sheetak.com Sheetak Inc. Project Summary Timeline: Start date: 11/15/2012 Planned end date: 5/14/2016 Key Milestones: 1. Development of Bottom Mount 4-Engine Thermoelectric Heat Pump; 5/14/2014 2. Development of High Cooling Power Thermoelectric Modules for Heat Pumps; 5/14/2015 3. Performance (COP > 1.1) and Reliability of 4- and 8-Engine Thermoelectric Heat Pumps ;

  15. Heat Pump Water Heater Using Solid-State Energy Converters

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Heat Pump Water Heater Using Solid-State Energy Converters 2016 Building Technologies Office Peer Review Uttam Ghoshal, ghoshal@sheetak.com Sheetak Inc. 2 Project Summary Timeline: Start date: 11/15/2012 Planned end date: 5/14/2016 Key Milestones: 1. Development of Bottom Mount 4-Engine Thermoelectric Heat Pump; 5/14/2014 2. Development of High Cooling Power Thermoelectric Modules for Heat Pumps; 5/14/2015 3. Performance (COP > 1.1) and Reliability Thermoelectric Heat Pumps ; 6/14/2016

  16. Standardized Testing Program for Solid-State Hydrogen Storage Technologies

    SciTech Connect

    Miller, Michael A.; Page, Richard A.

    2012-07-30

    In the US and abroad, major research and development initiatives toward establishing a hydrogen-based transportation infrastructure have been undertaken, encompassing key technological challenges in hydrogen production and delivery, fuel cells, and hydrogen storage. However, the principal obstacle to the implementation of a safe, low-pressure hydrogen fueling system for fuel-cell powered vehicles remains storage under conditions of near-ambient temperature and moderate pressure. The choices for viable hydrogen storage systems at the present time are limited to compressed gas storage tanks, cryogenic liquid hydrogen storage tanks, chemical hydrogen storage, and hydrogen absorbed or adsorbed in a solid-state material (a.k.a. solid-state storage). Solid-state hydrogen storage may offer overriding benefits in terms of storage capacity, kinetics and, most importantly, safety.The fervor among the research community to develop novel storage materials had, in many instances, the unfortunate consequence of making erroneous, if not wild, claims on the reported storage capacities achievable in such materials, to the extent that the potential viability of emerging materials was difficult to assess. This problem led to a widespread need to establish a capability to accurately and independently assess the storage behavior of a wide array of different classes of solid-state storage materials, employing qualified methods, thus allowing development efforts to focus on those materials that showed the most promise. However, standard guidelines, dedicated facilities, or certification programs specifically aimed at testing and assessing the performance, safety, and life cycle of these emergent materials had not been established. To address the stated need, the Testing Laboratory for Solid-State Hydrogen Storage Technologies was commissioned as a national-level focal point for evaluating new materials emerging from the designated Materials Centers of Excellence (MCoE) according to

  17. Solid-State Lighting Patents Resulting from DOE-Funded Projects |

    Energy Saver

    Overview - 2015 BTO Peer Review Solid-State Lighting Overview - 2015 BTO Peer Review Presenter: Jim Brodrick, U.S. Department of Energy View the Presentation Solid-State Lighting Overview - 2015 BTO Peer Review (967.78 KB) More Documents & Publications Solid-State Lighting Subprogram Overview - 2016 BTO Peer Review Solid-State Lighting Program Strategy Overview - 2014 BTO Peer Review Materials for R&D Workshop

    Solid-State Lighting Patents Resulting from DOE-Funded Projects As of

  18. LED Street Lighting

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    21, 2016 LED Street Lighting The American Medical Association's (AMA) recently adopted community guidance on street lighting adds another influential voice to issues that have been discussed in the lighting community for some time now, regarding light at night, its potential impacts on human health and the environment, and how best to minimize those impacts. While the AMA's guidance is intended to reduce the harmful human and environmental effects of street lighting in general, it focuses on

  19. 200 N. Spring Street

    Office of Legacy Management (LM)

    Riordon .', 200 N. Spring Street 'Los Angeles, California ,90012 ' Dear Mayor Riordon: " ... 'i' ,, : ,, ' . cci H., Coll.ins,'State.of California. ."' ' I. , ,I .. , '.

  20. Clean Energy Manufacturing Initiative Solid-State Lighting

    SciTech Connect

    Thomas, Sunil; Edmond, John; Krames, Michael; Raman, Sudhakar

    2014-09-23

    The importance of U.S. manufacturing for clean energy technologies, such as solid-state lighting (SSL), is paramount to increasing competitiveness in a global marketplace. SSLs are poised to drive the lighting market, worldwide. In order to continue that competitiveness and support further innovation, the time to invest in U.S. manufacturing of clean energy technologies is now. Across the country, companies developing innovative clean energy technologies find competitive advantages to manufacturing in the U.S. The Department of Energy's Building Technology Office SSL Manufacturing Roadmap is just one example of how we support manufacturing through convening industry perspectives on opportunities to significantly reduce risk, improve quality, increase yields, and lower costs.

  1. Clean Energy Manufacturing Initiative Solid-State Lighting Video

    SciTech Connect

    Thomas, Sunil; Edmond, John; Krames, Michael; Raman, Sudhakar

    2014-09-23

    The importance of U.S. manufacturing for clean energy technologies, such as solid-state lighting (SSL), is paramount to increasing competitiveness in a global marketplace. SSLs are poised to drive the lighting market, worldwide. In order to continue that competitiveness and support further innovation, the time to invest in U.S. manufacturing of clean energy technologies is now. Across the country, companies developing innovative clean energy technologies find competitive advantages to manufacturing in the U.S. The Department of Energy's Building Technology Office SSL Manufacturing Roadmap is just one example of how we support manufacturing through convening industry perspectives on opportunities to significantly reduce risk, improve quality, increase yields, and lower costs.

  2. Single ion implantation for solid state quantum computer development

    SciTech Connect

    Schenkel, Thomas; Meijers, Jan; Persaud, Arun; McDonald, Joseph W.; Holder, Joseph P.; Schneider, Dieter H.

    2001-12-18

    Several solid state quantum computer schemes are based on the manipulation of electron and nuclear spins of single donor atoms in a solid matrix. The fabrication of qubit arrays requires the placement of individual atoms with nanometer precision and high efficiency. In this article we describe first results from low dose, low energy implantations and our development of a low energy (<10 keV), single ion implantation scheme for {sup 31}P{sup q+} ions. When {sup 31}P{sup q+} ions impinge on a wafer surface, their potential energy (9.3 keV for P{sup 15+}) is released, and about 20 secondary electrons are emitted. The emission of multiple secondary electrons allows detection of each ion impact with 100% efficiency. The beam spot on target is controlled by beam focusing and collimation. Exactly one ion is implanted into a selected area avoiding a Poissonian distribution of implanted ions.

  3. Solid state cloaking for electrical charge carrier mobility control

    SciTech Connect

    Zebarjadi, Mona; Liao, Bolin; Esfarjani, Keivan; Chen, Gang

    2015-07-07

    An electrical mobility-controlled material includes a solid state host material having a controllable Fermi energy level and electrical charge carriers with a charge carrier mobility. At least one Fermi level energy at which a peak in charge carrier mobility is to occur is prespecified for the host material. A plurality of particles are distributed in the host material, with at least one particle disposed with an effective mass and a radius that minimize scattering of the electrical charge carriers for the at least one prespecified Fermi level energy of peak charge carrier mobility. The minimized scattering of electrical charge carriers produces the peak charge carrier mobility only at the at least one prespecified Fermi level energy, set by the particle effective mass and radius, the charge carrier mobility being less than the peak charge carrier mobility at Fermi level energies other than the at least one prespecified Fermi level energy.

  4. Clean Energy Manufacturing Initiative Solid-State Lighting

    ScienceCinema

    Thomas, Sunil; Edmond, John; Krames, Michael; Raman, Sudhakar

    2014-12-03

    The importance of U.S. manufacturing for clean energy technologies, such as solid-state lighting (SSL), is paramount to increasing competitiveness in a global marketplace. SSLs are poised to drive the lighting market, worldwide. In order to continue that competitiveness and support further innovation, the time to invest in U.S. manufacturing of clean energy technologies is now. Across the country, companies developing innovative clean energy technologies find competitive advantages to manufacturing in the U.S. The Department of Energy's Building Technology Office SSL Manufacturing Roadmap is just one example of how we support manufacturing through convening industry perspectives on opportunities to significantly reduce risk, improve quality, increase yields, and lower costs.

  5. Solid-state energy storage module employing integrated interconnect board

    DOEpatents

    Rouillard, Jean; Comte, Christophe; Daigle, Dominik; Hagen, Ronald A.; Knudson, Orlin B.; Morin, Andre; Ranger, Michel; Ross, Guy; Rouillard, Roger; St-Germain, Philippe; Sudano, Anthony; Turgeon, Thomas A.

    2003-11-04

    The present invention is directed to an improved electrochemical energy storage device. The electrochemical energy storage device includes a number of solid-state, thin-film electrochemical cells which are selectively interconnected in series or parallel through use of an integrated interconnect board. The interconnect board is typically disposed within a sealed housing which also houses the electrochemical cells, and includes a first contact and a second contact respectively coupled to first and second power terminals of the energy storage device. The interconnect board advantageously provides for selective series or parallel connectivity with the electrochemical cells, irrespective of electrochemical cell position within the housing. Fuses and various electrical and electromechanical devices, such as bypass, equalization, and communication devices for example, may also be mounted to the interconnect board and selectively connected to the electrochemical cells.

  6. Solid-state energy storage module employing integrated interconnect board

    DOEpatents

    Rouillard, Jean; Comte, Christophe; Daigle, Dominik; Hagen, Ronald A.; Knudson, Orlin B.; Morin, Andre; Ranger, Michel; Ross, Guy; Rouillard, Roger; St-Germain, Philippe; Sudano, Anthony; Turgeon, Thomas A.

    2004-09-28

    An electrochemical energy storage device includes a number of solid-state thin-film electrochemical cells which are selectively interconnected in series or parallel through use of an integrated interconnect board. The interconnect board is typically disposed within a sealed housing which also houses the electrochemical cells, and includes a first contact and a second contact respectively coupled to first and second power terminals of the energy storage device. The interconnect board advantageously provides for selective series or parallel connectivity with the electrochemical cells, irrespective of electrochemical cell position within the housing. Fuses and various electrical and electro-mechanical devices, such as bypass, equalization, and communication devices for example, may also be mounted to the interconnect board and selectively connected to the electrochemical cells.

  7. Extreme solid state refrigeration using nanostructured Bi-Te alloys.

    SciTech Connect

    Lima Sharma, Ana L.; Spataru, Dan Catalin; Medlin, Douglas L.; Sharma, Peter Anand; Morales, Alfredo Martin

    2009-09-01

    Materials are desperately needed for cryogenic solid state refrigeration. We have investigated nanostructured Bi-Te alloys for their potential use in Ettingshausen refrigeration to liquid nitrogen temperatures. These alloys form alternating layers of Bi{sub 2} and Bi{sub 2}Te{sub 3} blocks in equilibrium. The composition Bi{sub 4}Te{sub 3} was identified as having the greatest potential for having a high Ettingshausen figure of merit. Both single crystal and polycrystalline forms of this material were synthesized. After evaluating the Ettingshausen figure of merit for a large, high quality polycrystal, we simulated the limits of practical refrigeration in this material from 200 to 77 K using a simple device model. The band structure was also computed and compared to experiments. We discuss the crystal growth, transport physics, and practical refrigeration potential of Bi-Te alloys.

  8. High brightness diode-pumped organic solid-state laser

    SciTech Connect

    Zhao, Zhuang; Mhibik, Oussama; Nafa, Malik; Chénais, Sébastien; Forget, Sébastien

    2015-02-02

    High-power, diffraction-limited organic solid-state laser operation has been achieved in a vertical external cavity surface-emitting organic laser (VECSOL), pumped by a low-cost compact blue laser diode. The diode-pumped VECSOLs were demonstrated with various dyes in a polymer matrix, leading to laser emissions from 540 nm to 660 nm. Optimization of both the pump pulse duration and output coupling leads to a pump slope efficiency of 11% for a DCM based VECSOLs. We report output pulse energy up to 280 nJ with 100 ns long pump pulses, leading to a peak power of 3.5 W in a circularly symmetric, diffraction-limited beam.

  9. Solid State Division progress report, September 30, 1981

    SciTech Connect

    Not Available

    1982-04-01

    Progress made during the 19 months from March 1, 1980, through September 30, 1981, is reported in the following areas: theoretical solid state physics (surfaces, electronic and magnetic properties, particle-solid interactions, and laser annealing); surface and near-surface properties of solids (plasma materials interactions, ion-solid interactions, pulsed laser annealing, and semiconductor physics and photovoltaic conversion); defects in solids (radiation effects, fracture, and defects and impurities in insulating crystals); transport properties of solids (fast-ion conductors, superconductivity, and physical properties of insulating materials); neutron scattering (small-angle scattering, lattice dynamics, and magnetic properties); crystal growth and characterization (nuclear waste forms, ferroelectric mateirals, high-temperature materials, and special materials); and isotope research materials. Publications and papers are listed. (WHK)

  10. Muon Spin Rotation Spectroscopy - Utilizing Muons in Solid State Physics

    SciTech Connect

    Suter, Andreas

    2012-10-17

    Over the past decades muon spin rotation techniques (mSR) have established themselves as an invaluable tool to study a variety of static and dynamic phenomena in bulk solid state physics and chemistry. Common to all these approaches is that the muon is utilized as a spin microprobe and/or hydrogen-like probe, implanted in the material under investigation. Recent developments extend the range of application to near surface phenomena, thin film and super-lattice studies. After briefly summarizing the production of so called surface muons used for bulk studies, and discussing the principle differences between pulsed and continuous muon beams, the production of keV-energy muon sources will be discussed. A few topical examples from different active research fields will be presented to demonstrate the power of these techniques.

  11. Solid State Energy Conversion Alliance 2nd Annual Workshop Proceedings

    SciTech Connect

    National Energy Technology Laboratory

    2001-03-30

    The National Energy Technology Laboratory (NETL) and the Pacific Northwest National Laboratory (PNNL) are pleased to provide the proceedings of the second annual Solid State Energy Conversion Alliance (SECA) Workshop held on March 29-30, 2001 in Arlington. The package includes the presentations made during the workshop, a list of participants, and the results of the breakout sessions. Those sessions covered stack materials and processes, power electronics, balance of plant and thermal integration, fuel processing technologies, and stack and system performance modeling. The breakout sessions have been reported as accurately as possible; however, due to the recording and transcription process errors may have occurred. If you note any significant omissions or wish to provide additional information, we welcome your comments and hope that all stakeholder groups will use the enclosed information in their planning endeavors.

  12. The NSLS 100 element solid state array detector

    SciTech Connect

    Furenlid, L.R.; Kraner, H.W.; Rogers, L.C.; Stephani, D.; Beuttenmuller, R.H.; Beren, J. ); Cramer, S.P. . Dept. of Applied Science)

    1991-01-01

    X-ray absorption studies of dilute samples require fluorescence detection techniques. Since signal-to-noise ratios are governed by the ratio of fluorescent to scattered photons counted by a detector, solid state detectors which can discriminate between fluorescence and scattered photons have become the instruments of choice for trace element measurements. Commercially available 13 element Ge array detectors permitting total count rates < 500,000 counts per second are now in routine use. Since x-ray absorption beamlines at high brightness synchrotron sources can already illuminate most dilute samples with enough flux to saturate the current generation of solid state detectors, the development of next-generation instruments with significantly higher total count rates is essential. We present the design and current status of the 100 element Si array detector being developed in a collaboration between the NSLS and the Instrumentation Division at Brookhaven National Laboratory. The detecting array consists of a 10*10 matrix of 4mm * 4mm elements laid out on a single piece of ultra-high purity silicon mounted at the front end of a liquid nitrogen dewar assembly. A matrix of charge sensitive integrating preamplifiers feed signals to an array of shaping amplifiers, single channel analyzers, and scalers. An electronic switch, delay amplifier, linear gate, digital scope, peak sensing A to D converter, and histogramming memory module provide for complete diagnostics and channel calibration. The entire instrument is controlled by a LabView 2 application on a MacII ci; the software also provides full control over beamline hardware and performs the data collection.

  13. The NSLS 100 element solid state array detector

    SciTech Connect

    Furenlid, L.R.; Kraner, H.W.; Rogers, L.C.; Stephani, D.; Beuttenmuller, R.H.; Beren, J.; Cramer, S.P.

    1991-12-31

    X-ray absorption studies of dilute samples require fluorescence detection techniques. Since signal-to-noise ratios are governed by the ratio of fluorescent to scattered photons counted by a detector, solid state detectors which can discriminate between fluorescence and scattered photons have become the instruments of choice for trace element measurements. Commercially available 13 element Ge array detectors permitting total count rates < 500,000 counts per second are now in routine use. Since x-ray absorption beamlines at high brightness synchrotron sources can already illuminate most dilute samples with enough flux to saturate the current generation of solid state detectors, the development of next-generation instruments with significantly higher total count rates is essential. We present the design and current status of the 100 element Si array detector being developed in a collaboration between the NSLS and the Instrumentation Division at Brookhaven National Laboratory. The detecting array consists of a 10*10 matrix of 4mm * 4mm elements laid out on a single piece of ultra-high purity silicon mounted at the front end of a liquid nitrogen dewar assembly. A matrix of charge sensitive integrating preamplifiers feed signals to an array of shaping amplifiers, single channel analyzers, and scalers. An electronic switch, delay amplifier, linear gate, digital scope, peak sensing A to D converter, and histogramming memory module provide for complete diagnostics and channel calibration. The entire instrument is controlled by a LabView 2 application on a MacII ci; the software also provides full control over beamline hardware and performs the data collection.

  14. Direct Solid-State Conversion of Recyclable Metals and Alloys

    SciTech Connect

    Kiran Manchiraju

    2012-03-27

    Friction Stir Extrusion (FSE) is a novel energy-efficient solid-state material synthesis and recycling technology capable of producing large quantity of bulk nano-engineered materials with tailored, mechanical, and physical properties. The novelty of FSE is that it utilizes the frictional heating and extensive plastic deformation inherent to the process to stir, consolidate, mechanically alloy, and convert the powders, chips, and other recyclable feedstock materials directly into useable product forms of highly engineered materials in a single step (see Figure 1). Fundamentally, FSE shares the same deformation and metallurgical bonding principles as in the revolutionary friction stir welding process. Being a solid-state process, FSE eliminates the energy intensive melting and solidification steps, which are necessary in the conventional metal synthesis processes. Therefore, FSE is highly energy-efficient, practically zero emissions, and economically competitive. It represents a potentially transformational and pervasive sustainable manufacturing technology for metal recycling and synthesis. The goal of this project was to develop the technological basis and demonstrate the commercial viability of FSE technology to produce the next generation highly functional electric cables for electricity delivery infrastructure (a multi-billion dollar market). Specific focus of this project was to (1) establish the process and material parameters to synthesize novel alloys such as nano-engineered materials with enhanced mechanical, physical, and/or functional properties through the unique mechanical alloying capability of FSE, (2) verifying the expected major energy, environmental, and economic benefits of FSE technology for both the early stage 'showcase' electric cable market and the anticipated pervasive future multi-market applications across several industry sectors and material systems for metal recycling and sustainable manufacturing.

  15. Adaptive Street Lighting Controls | Department of Energy

    Energy Saver

    Solid-State Lighting Home About the Solid-State Lighting Program Research & Development Understanding SSL Information Resources Conferences & Meetings Presentations Publications ...

  16. Secretary of Energy Announces $5 Million for Solid State Lighting Research

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    | Department of Energy $5 Million for Solid State Lighting Research Secretary of Energy Announces $5 Million for Solid State Lighting Research October 5, 2006 - 9:08am Addthis ALBUQUERQUE, NM - U.S. Department of Energy (DOE) Secretary Samuel W. Bodman today announced the selection of seven projects, valued at nearly $5 million, for Solid State Lighting (SSL) research in nanotechnology. SSL has the potential to more than double the efficiency of general lighting systems, reducing overall

  17. DOE Awards Five Small Business Innovation Research Grants for Solid-State

    Energy Saver

    Lighting Technology | Department of Energy Five Small Business Innovation Research Grants for Solid-State Lighting Technology DOE Awards Five Small Business Innovation Research Grants for Solid-State Lighting Technology The U.S. Department of Energy (DOE) has awarded five Small Business Innovation Research (SBIR) grants targeting advances in solid-state lighting (SSL) technology. The SBIR program seeks to increase the participation of small businesses in federal research and development.

  18. DOE Awards Seven Small Business Innovation Research Grants for Solid-State

    Energy Saver

    Lighting Technology | Department of Energy Seven Small Business Innovation Research Grants for Solid-State Lighting Technology DOE Awards Seven Small Business Innovation Research Grants for Solid-State Lighting Technology The U.S. Department of Energy (DOE) has awarded seven Small Business Innovation Research (SBIR) grants targeting advances in solid-state lighting (SSL) technology. The SBIR program seeks to increase the participation of small businesses in federal R&D. Five Phase I

  19. Friction Stir and Ultrasonic Solid State Joining of Magnesium to Steel |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Friction Stir and Ultrasonic Solid State Joining of Magnesium to Steel Friction Stir and Ultrasonic Solid State Joining of Magnesium to Steel 2012 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Program Annual Merit Review and Peer Evaluation Meeting lm030_hovanski_2012_o.pdf (4.58 MB) More Documents & Publications FSW & USW Solid State Joining of Magnesium to Steel Formability of Direct Cast Mg Sheet and Friction Stir and Ultrasonic Joining of

  20. Solid State Lighting: GATEWAY and CALiPER | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Solid State Lighting: GATEWAY and CALiPER Solid State Lighting: GATEWAY and CALiPER Emerging Technologies Project for the 2013 Building Technologies Office's Program Peer Review emrgtech08_ledbetter_040313.pdf (1.67 MB) More Documents & Publications FEMP Outdoor Solid-State Lighting Intiative: Resources for Outdoor SSL Applications Emerging Lighting Technology Guiding Market Introduction of High-Performance SSL Products

  1. The Department of Energy's Solid-State Lighting Program, OAS-RA-L-13-03

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Solid- State Lighting Program OAS-RA-L-13-03 February 2013 Department of Energy Washington, DC 20585 February 28, 2013 MEMORANDUM FOR THE DIRECTOR, NATIONAL ENERGY TECHNOLOGY LABORATORY FROM: Jack Rouch, Director Central Audits Division Office of Inspector General SUBJECT: INFORMATION: Audit Report on "The Department of Energy's Solid-State Lighting Program" BACKGROUND The Department of Energy's (Department) Office of Energy Efficiency and Renewable Energy established the Solid-State

  2. Energy Department Provides $7 Million for Solid-State Lighting Product

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Development | Department of Energy 7 Million for Solid-State Lighting Product Development Energy Department Provides $7 Million for Solid-State Lighting Product Development June 6, 2006 - 2:15pm Addthis Funding to total $10 million with industry contribution WASHINGTON, DC - U.S. Department of Energy (DOE) Secretary Samuel W. Bodman today announced that DOE will provide a total of $7 million for five cost-shared projects for solid-state lighting (SSL) product development. Solid-state

  3. Miniature All-solid-state Heterostructure Nanowire Li-ion Batteries...

    Office of Scientific and Technical Information (OSTI)

    All-solid-state Heterostructure Nanowire Li-ion Batteries as a Toll for Engineering and Structural Diagnostics of Nanoscale Electrochemical Processes Citation Details In-Document...

  4. 2013 Solid-State Lighting Manufacturing R&D Workshop Presentations and

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Materials | Department of Energy 3 Solid-State Lighting Manufacturing R&D Workshop Presentations and Materials 2013 Solid-State Lighting Manufacturing R&D Workshop Presentations and Materials This page provides links to the presentations and materials from the 2013 Solid-State Lighting Manufacturing R&D Workshop, held June 5-6 in Boston. Presentations Day 1 Welcome James Brodrick, Solid-State Lighting Program Manager, U.S. Department of Energy Introduction David Danielson,

  5. Apply: Solid-State Lighting Advanced Technology R&D - 2015 Funding

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Opportunity | Department of Energy Solid-State Lighting Advanced Technology R&D - 2015 Funding Opportunity Apply: Solid-State Lighting Advanced Technology R&D - 2015 Funding Opportunity October 14, 2014 - 3:57pm Addthis This funding opportunity is closed. The U.S. Department of Energy (DOE) announced a solid-state lighting (SSL) R&D funding opportunity on October 14, 2014. Under this funding opportunity (DE-FOA-0001171, "Solid-State Lighting Advanced Technology R&D -

  6. Red-Emitting Phosphors for Solid-State Lighting - Energy Innovation...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    This advance could help move solid-state lighting (SSL) into broader applications and market spaces. This class of rare-earth doped tantalates has unprecedented compositions and ...

  7. Apply: Solid-State Lighting Advanced Technology R&D - 2014(DE...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Through research and development of solid-state lighting (SSL),including both ... Maximize the energy-efficiency of SSL products in the marketplace Remove market barriers ...

  8. Energy Savings Forecast of Solid-State Lighting in General Illuminatio...

    Energy Saver

    (1.54 MB) More Documents & Publications Energy Savings Potential of Solid-State Lighting in General Illumination Applications - Report 2016 SSL Forecast Report LED ADOPTION REPORT

  9. Roundtable Discussions of the Solid-State Lighting R&D Task Structure

    SciTech Connect

    none,

    2009-01-01

    A report of a roundtable discussion addressing the R&D task structure for the DOE Solid-State Lighting Program.

  10. Energy Savings Potential of Solid-State Lighting in General Illumination Applications- Factsheet

    Energy.gov [DOE]

    A U.S. DOE SSL fact sheet on Energy Savings Potential of Solid-State Lighting in General Illumination Applications.

  11. Funding Opportunity: Solid-State Lighting Advanced Technology R&D - 2017

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    | Department of Energy Solid-State Lighting Advanced Technology R&D - 2017 Funding Opportunity: Solid-State Lighting Advanced Technology R&D - 2017 October 24, 2016 - 1:14pm Addthis The Building Technologies Office (BTO) Emerging Technologies program announced a solid-state lighting (SSL) R&D funding opportunity on October 12, 2016. Under this funding opportunity (DE-FOA-0001613, "Solid-State Lighting Advanced Technology R&D-2017"), a total of up to $10 million in

  12. Text-Alternative Version: Solid-State Lighting Early Lessons Learned

    Energy Saver

    Webinar | Department of Energy Solid-State Lighting Early Lessons Learned Webinar Text-Alternative Version: Solid-State Lighting Early Lessons Learned Webinar Linda Sandahl: Welcome, ladies and gentlemen. I'm Linda Sandahl with the Pacific Northwest National Laboratory, and I'd like to welcome you to today's webcast, Solid-State Lighting: Early Lessons Learned on the Way to Market, brought to you by the US Department of Energy's Solid-State Lighting Program. I'm happy to introduce our

  13. Solid-State Lighting Patents Resulting from DOE-Funded Projects

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ... Light Extraction Blocks for Thin Form Factor OLED Lighting ... Nitrides for Solid State Lighting Applications ... of Organic Semiconducting Films by Improved Solution ...

  14. Tritium and neutron measurements of a solid state cell

    SciTech Connect

    Claytor, T.N.; Seeger, P.A.; Rohwer, R.K.; Tuggle, D.G.; Doty, W.R.

    1989-01-01

    A solid state cold fusion'' cell was constructed to test for non-equilibrium fusion in a solid. The stimulus for the design was the hypothesis that the electrochemical surface layer in the Pons- Fleischmann cell could be replaced with a metal-insulator- semiconductor (MIS) barrier. Cells were constructed of alternating layers of palladium and silicon powders pressed into a ceramic form and exposed to deuterium gas at 110 psia resulting in a D/Pd ratio of 0.7. Pulses of current were passed through the cells to populate non-equilibrium states at the MIS barriers. One cell showed neutron activity and was found to have a large amount of tritium, other cells have produced tritium at a low rate consistent with neutron emission below the threshold of observability. The branching ratio for n/p has been about 1 {times} 10{sup {minus}9} in all the experiments where a substantial amount of tritium has been found. 11 refs., 9 figs., 2 tabs.

  15. Solid-state energy storage module employing integrated interconnect board

    DOEpatents

    Rouillard, Jean; Comte, Christophe; Daigle, Dominik; Hagen, Ronald A.; Knudson, Orlin B.; Morin, Andre; Ranger, Michel; Ross, Guy; Rouillard, Roger; St-Germain, Philippe; Sudano, Anthony; Turgeon, Thomas A.

    2000-01-01

    The present invention is directed to an improved electrochemical energy storage device. The electrochemical energy storage device includes a number of solid-state, thin-film electrochemical cells which are selectively interconnected in series or parallel through use of an integrated interconnect board. The interconnect board is typically disposed within a sealed housing which also houses the electrochemical cells, and includes a first contact and a second contact respectively coupled to first and second power terminals of the energy storage device. The interconnect board advantageously provides for selective series or parallel connectivity with the electrochemical cells, irrespective of electrochemical cell position within the housing. In one embodiment, a sheet of conductive material is processed by employing a known milling, stamping, or chemical etching technique to include a connection pattern which provides for flexible and selective interconnecting of individual electrochemical cells within the housing, which may be a hermetically sealed housing. Fuses and various electrical and electro-mechanical devices, such as bypass, equalization, and communication devices for example, may also be mounted to the interconnect board and selectively connected to the electrochemical cells.

  16. High Efficiency LED Lamp for Solid-State Lighting

    SciTech Connect

    James Ibbetson

    2006-12-31

    This report contains a summary of technical achievements during a three-year project to demonstrate high efficiency, solid-state lamps based on gallium nitride/silicon carbide light-emitting diodes. Novel chip designs and fabrication processes are described for a new type of nitride light-emitting diode with the potential for very high efficiency. This work resulted in the demonstration of blue light-emitting diodes in the one watt class that achieved up to 495 mW of light output at 350 mA drive current, corresponding to quantum and wall plug efficiencies of 51% and 45%, respectively. When combined with a phosphor in Cree's 7090 XLamp package, these advanced blue-emitting devices resulted in white light-emitting diodes whose efficacy exceeded 85 lumens per watt. In addition, up to 1040 lumens at greater than 85 lumens per watt was achieved by combining multiple devices to make a compact white lamp module with high optical efficiency.

  17. Gratings for Increasing Solid-State Laser Gain and Efficiency

    SciTech Connect

    Erlandson, A C; Britten, J A; Bonlie, J D

    2010-04-16

    We introduce new concepts for increasing the efficiency of solid state lasers by using gratings deposited on laser slabs or disks. The gratings improve efficiency in two ways: (1) by coupling out of the slab deleterious amplified spontaneous emission (ASE) and (2) by increasing the absorption efficiency of pump light. The gratings also serve as antireflective coatings for the extracting laser beam. To evaluate the potential for such coatings to improve laser performance, we calculated optical properties of a 2500 groove/mm, tantala-silica grating on a 1cm x 4cm x 8cm titanium-doped sapphire slab and performed ray-trace calculations for ASE and pump light. Our calculations show substantial improvements in efficiency due to grating ASE-coupling properties. For example, the gratings reduce pump energy required to produce a 0.6/cm gain coefficient by 9%, 20% and 35% for pump pulse durations of 0.5 {micro}s, 1{micro}s and 3{micro}s, respectively. Gratings also increase 532-nm pump-light absorption efficiency, particularly when the product slab overall absorption is small. For example, when the single-pass absorption is 1 neper, absorption efficiency increases from 66%, without gratings, to 86%, when gratings are used.

  18. Solid state consolidation nanocrystalline copper-tungsten using cold spray

    SciTech Connect

    Hall, Aaron Christopher; Sarobol, Pylin; Argibay, Nicolas; Clark, Blythe; Diantonio, Christopher

    2015-09-01

    It is well known that nanostructured metals can exhibit significantly improved properties compared to metals with conventional grain size. Unfortunately, nanocrystalline metals typically are not thermodynamically stable and exhibit rapid grain growth at moderate temperatures. This severely limits their processing and use, making them impractical for most engineering applications. Recent work has shown that a number of thermodynamically stable nanocrystalline metal alloys exist. These alloys have been prepared as powders using severe plastic deformation (e.g. ball milling) processes. Consolidation of these powders without compromise of their nanocrystalline microstructure is a critical step to enabling their use as engineering materials. We demonstrate solid-state consolidation of ball milled copper-tantalum nanocrystalline metal powder using cold spray. Unfortunately, the nanocrystalline copper-tantalum powder that was consolidated did not contain the thermodynamically stable copper-tantalum nanostructure. Nevertheless, this does this demonstrates a pathway to preparation of bulk thermodynamically stable nanocrystalline copper-tantalum. Furthermore, it demonstrates a pathway to additive manufacturing (3D printing) of nanocrystalline copper-tantalum. Additive manufacturing of thermodynamically stable nanocrystalline metals is attractive because it enables maximum flexibility and efficiency in the use of these unique materials.

  19. 2010 Ceramics, Solid State Studies in Gordon Research Conference

    SciTech Connect

    John Halloran

    2010-08-20

    The 2010 Gordon Conference on Solid State Studies in Ceramics will present forefront research on ceramic materials in energy conversion, storage, and environmental sustainability. Oxide materials in advanced Li-ion batteries will be featured, including first principles computational methods, new experimental methods, novel synthesis, and the design of batteries that exploit nanoscale cathode materials. Several speakers address advances in oxides for solar applications, including photo-catalysts for solar hydrogen production and dye sensitized solar cells, along with thin film photovoltaics. Fast ionic conducting ceramics in electrochemical energy conversion and storage will be addressed for fuel cells and electrochemical storage. New concepts for electrochemical capacitor materials will be addressed, as will thermoelectric, geopolymers, and ceramics in nuclear energy. The Conference will bring together investigators at the forefront of their field as well as junior scientists in a collegial atmosphere, with programmed discussion sessions and informal gatherings in the afternoons and evenings. Poster presentations provide opportunities for junior scientists and graduate students to present their work and exchange ideas with leaders in the field. This Conference provides an avenue for scientists from different disciplines to explore new ideas and promotes cross-disciplinary collaborations in the various research areas represented.

  20. National Consortium Supports Cities in Evaluating LED Streetlights

    SciTech Connect

    2013-09-30

    Fact sheet that introduces Municipal Solid-State Street Lighting Consortium, a group of municipalities, utilities, and energy efficiency organizations who are interested in making investments in LED street and area lighting.

  1. New infrared solid state laser materials for CALIOPE

    SciTech Connect

    DeLoach, L.D.; Page, R.H.; Wilke, G.D.

    1994-08-01

    Tunable infrared laser light may serve as a useful means by which to detect the presence of the targeted effluents. Since optical parametric oscillators (OPOs) have proven to be a versatile method of generating coherent light from the ultraviolet to the mid-infrared, this technology is a promising choice by which to service the CALIOPE applications. In addition, since some uncertainty remains regarding the precise wavelengths and molecules that will be targeted, the deployment of OPOs retains the greatest amount of wavelength flexibility. Another approach that the authors are considering is that of generating tunable infrared radiation directly with a diode-pumped solid state laser (DPSSL). One important advantage of a DPSSL is that it offers flexible pulse format modes that can be tailored to meet the needs of a particular application and target molecule. On the other hand, direct generation by a tunable DPSSL will generally be able to cover a more limited wavelength range than is possible with OPO technology. In support of the CALIOPE objectives the authors are exploring the potential for laser action among a class of materials comprised of transition metal-doped zinc chalcogenide crystals (i.e., ZnS, ZnSe and ZnTe). The Cr{sup 2+}, Co{sup 2+} and Ni{sup 2+} dopants were selected as the most favorable candidates, on the basis of their documented spectral properties in the scientific literature. Thus far, the authors have characterized the absorption and emission properties of these ions in the ZnS and ZnSe crystals. The absorption spectra are used to determine the preferred wavelength at which the crystal should be pumped, while the emission spectra reveal the extent of the tuning range potentially offered by the material. In addition, measurements of the emission lifetime as a function of temperature turn out to be quite useful, since this data is suggestive of the room temperature emission yield.

  2. Coordinating Garbage Collection for Arrays of Solid-state Drives

    SciTech Connect

    Kim, Youngjae; Lee, Junghee; Oral, H Sarp; Dillow, David A; Wang, Feiyi; Shipman, Galen M

    2014-01-01

    Although solid-state drives (SSDs) offer significant performance improvements over hard disk drives (HDDs) for a number of workloads, they can exhibit substantial variance in request latency and throughput as a result of garbage collection (GC). When GC conflicts with an I/O stream, the stream can make no forward progress until the GC cycle completes. GC cycles are scheduled by logic internal to the SSD based on several factors such as the pattern, frequency, and volume of write requests. When SSDs are used in a RAID with currently available technology, the lack of coordination of the SSD-local GC cycles amplifies this performance variance. We propose a global garbage collection (GGC) mechanism to improve response times and reduce performance variability for a RAID of SSDs. We include a high-level design of SSD-aware RAID controller and GGC-capable SSD devices and algorithms to coordinate the GGC cycles. We develop reactive and proactive GC coordination algorithms and evaluate their I/O performance and block erase counts for various workloads. Our simulations show that GC coordination by a reactive scheme improves average response time and reduces performance variability for a wide variety of enterprise workloads. For bursty, write-dominated workloads, response time was improved by 69% and performance variability was reduced by 71%. We show that a proactive GC coordination algorithm can further improve the I/O response times by up to 9% and the performance variability by up to 15%. We also observe that it could increase the lifetimes of SSDs with some workloads (e.g. Financial) by reducing the number of block erase counts by up to 79% relative to a reactive algorithm for write-dominant enterprise workloads.

  3. Arabidopsis thalianafrom Polarization Transfer Solid-State NMR

    SciTech Connect

    White, Paul B; Wang, Tuo; Park, Yong Bum; Cosgrove, Daniel J; Hong, Mei

    2014-07-23

    Polysaccharide-rich plant cell walls are hydrated under functional conditions, but the molecular interactions between water and polysaccharides in the wall have not been investigated. In this work, we employ polarization transfer solid-state NMR techniques to study the hydration of primary-wall polysaccharides of the model plant, Arabidopsis thaliana. By transferring water 1H polarization to polysaccharides through distance- and mobility-dependent 1H1H dipolar couplings and detecting it through polysaccharide 13C signals, we obtain information about water proximity to cellulose, hemicellulose, and pectins as well as water mobility. Both intact and partially extracted cell wall samples are studied. Our results show that waterpectin polarization transfer is much faster than watercellulose polarization transfer in all samples, but the extent of extraction has a profound impact on the waterpolysaccharide spin diffusion. Removal of calcium ions and the consequent extraction of homogalacturonan (HG) significantly slowed down spin diffusion, while further extraction of matrix polysaccharides restored the spin diffusion rate. These trends are observed in cell walls with similar water content, thus they reflect inherent differences in the mobility and spatial distribution of water. Combined with quantitative analysis of the polysaccharide contents, our results indicate that calcium ions and HG gelation increase the amount of bound water, which facilitates spin diffusion, while calcium removal disrupts the gel and gives rise to highly dynamic water, which slows down spin diffusion. The recovery of spin diffusion rates after more extensive extraction is attributed to increased water-exposed surface areas of the polysaccharides. Waterpectin spin diffusion precedes watercellulose spin diffusion, lending support to the single-network model of plant primary walls in which a substantial fraction of the cellulose surface is surrounded by pectins.

  4. Novel Materials and Devices for Solid-State Neutron Detection

    SciTech Connect

    Manginell, Ronald P.; Pfeifer, Kent B.

    2015-11-01

    There is a need in many fields, such as nuclear medicine, non-proliferation, energy exploration, national security, homeland security, nuclear energy, etc, for miniature, thermal neutron detectors. Until recently, thermal neutron detection has required physically large devices to provide sufficient neutron interaction and transduction signal. Miniaturization would allow broader use in the fields just mentioned and open up other applications potentially. Recent research shows promise in creating smaller neutron detectors through the combination of high-neutron-cross-section converter materials and solid-state devices. Yet, till recently it is difficult to measure low neutron fluxes by solidstate means given the need for optimized converter materials (purity, chemical composition and thickness) and a lack of designs capable of efficient transduction of the neutron conversion products (x-rays, electrons, gamma rays). Gadolinium-based semiconductor heterojunctions have detected electrons produced by Gd-neutron reactions but only at high neutron fluxes. One of the main limitations to this type of approach is the use of thin converter layers and the inability to utilize all the conversion products. In this LDRD we have optimized the converter material thickness and chemical composition to improve capture of conversion electrons and have detected thermal neutrons with high fidelity at low flux. We are also examining different semiconductor materials and converter materials to attempt to capture a greater percentage of the conversion electrons, both low and higher energy varieties. We have studied detector size and bias scaling, and cross-sensitivity to xrays and shown that we can detect low fluxes of thermal neutrons in less than 30 minutes with high selectivity by our approach. We are currently studying improvements in performance with direct placement of the Gd converter on the detector. The advancement of sensitive, miniature neutron detectors will have benefits in

  5. Solid State Division: Progress report for period ending September 30, 1987

    SciTech Connect

    Green, P.H.; Watson, D.M.

    1988-03-01

    This paper contains a collection of articles on research done at the Solid State Division of ORNL. General topics covered are: theoretical solid state physics; neutron scattering; physical properties of superconductors and ceramics; synthesis and characterization of solids; ion beam and laser processing; and surface and defect studies. (LSP)

  6. Rainer Held > Guest Researcher - Max-Planck Institute for Solid State

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Research > Center Alumni > The Energy Materials Center at Cornell Rainer Held Guest Researcher - Max-Planck Institute for Solid State Research heldrain@gmail.com Formerly a member of the Schlom Group, he joined the Max-Planck Institute for Solid State Research as a guest postdoc in September 2014

  7. Method and system for making integrated solid-state fire-sets and detonators

    DOEpatents

    O'Brien, Dennis W.; Druce, Robert L.; Johnson, Gary W.; Vogtlin, George E.; Barbee, Jr., Troy W.; Lee, Ronald S.

    1998-01-01

    A slapper detonator comprises a solid-state high-voltage capacitor, a low-jitter dielectric breakdown switch and trigger circuitry, a detonator transmission line, an exploding foil bridge, and a flier material. All these components are fabricated in a single solid-state device using thin film deposition techniques.

  8. Method and system for making integrated solid-state fire-sets and detonators

    DOEpatents

    O`Brien, D.W.; Druce, R.L.; Johnson, G.W.; Vogtlin, G.E.; Barbee, T.W. Jr.; Lee, R.S.

    1998-03-24

    A slapper detonator comprises a solid-state high-voltage capacitor, a low-jitter dielectric breakdown switch and trigger circuitry, a detonator transmission line, an exploding foil bridge, and a flier material. All these components are fabricated in a single solid-state device using thin film deposition techniques. 13 figs.

  9. Solid-state dosimeters: A new approach for mammography measurements

    SciTech Connect

    Brateman, Libby F.; Heintz, Philip H.

    2015-02-15

    Purpose: To compare responses of modern commercially available solid-state dosimeters (SStDs) used in mammography medical physics surveys for two major vendors of current digital mammography units. To compare differences in dose estimates among SStD responses with ionization chamber (IC) measurements for several target/filter (TF) combinations and report their characteristics. To review scientific bases for measurements of quantities required for mammography for traditional measurement procedures and SStDs. Methods: SStDs designed for use with modern digital mammography units were acquired for evaluation from four manufacturers. Each instrument was evaluated under similar conditions with the available mammography beams provided by two modern full-field digital mammography units in clinical use: a GE Healthcare Senographe Essential (Essential) and a Hologic Selenia Dimensions 5000 (Dimensions), with TFs of Mo/Mo, Mo/Rh; and Rh/Rh and W/Rh, W/Ag, and W/Al, respectively. Measurements were compared among the instruments for the TFs over their respective clinical ranges of peak tube potentials for kVp and half-value layer (HVL) measurements. Comparisons for air kerma (AK) and their associated relative calculated average glandular doses (AGDs), i.e., using fixed mAs, were evaluated over the limited range of 2830 kVp. Measurements were compared with reference IC measurements for AK, reference HVLs and calculated AGD, for two compression paddle heights for AK, to evaluate scatter effects from compression paddles. SStDs may require different positioning from current mammography measurement protocols. Results: Measurements of kVp were accurate in general for the SStDs (within ?1.2 and +1.1 kVp) for all instruments over a wide range of set kVps and TFs and most accurate for Mo/Mo and W/Rh. Discrepancies between measurements and reference values were greater for HVL and AK. Measured HVL values differed from reference values by ?6.5% to +3.5% depending on the SStD and TF. AK

  10. Solid-State Lighting 2016 R&D Plan | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Solid-State Lighting 2016 R&D Plan Solid-State Lighting 2016 R&D Plan The Solid-State Lighting (SSL) R&D Plan is a consolidation of the Department of Energy (DOE) SSL Multi-Year Program Plan (MYPP) and the DOE SSL Manufacturing R&D Roadmap that DOE has published and updated in previous years. The SSL R&D Plan provides analysis and direction for ongoing R&D activities to advance SSL technology and increase energy savings. The R&D Plan also reviews SSL technology status

  11. Apply: Solid-State Lighting Advanced Technology R&D - 2014

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    (DE-FOA-0000973) | Department of Energy Solid-State Lighting Advanced Technology R&D - 2014 (DE-FOA-0000973) Apply: Solid-State Lighting Advanced Technology R&D - 2014 (DE-FOA-0000973) December 6, 2013 - 4:27pm Addthis This funding opportunity is closed. Through research and development of solid-state lighting (SSL),including both light-emitting diode (LED) and organic light emitting diode (OLED) technologies, the objectives of this opportunity are to: Maximize the energy-efficiency

  12. Heat Pump Water Heater using Solid-State Energy Converters | Department of

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Energy Water Heater using Solid-State Energy Converters Heat Pump Water Heater using Solid-State Energy Converters Sheetak will work on developing a full scale prototype of its low cost heat pump water heater. These solid state heat pumping elements can be implemented in low cost manner which have the potential to dramatically change the way in which he heat water.<BR />Image: Sheetak Sheetak will work on developing a full scale prototype of its low cost heat pump water heater. These

  13. Solid state oxygen anion and electron mediating membrane and catalytic membrane reactors containing them

    DOEpatents

    Schwartz, Michael; White, James H.; Sammells, Anthony F.

    2005-09-27

    This invention relates to gas-impermeable, solid state materials fabricated into membranes for use in catalytic membrane reactors. This invention particularly relates to solid state oxygen anion- and electron-mediating membranes for use in catalytic membrane reactors for promoting partial or full oxidation of different chemical species, for decomposition of oxygen-containing species, and for separation of oxygen from other gases. Solid state materials for use in the membranes of this invention include mixed metal oxide compounds having the brownmillerite crystal structure.

  14. Solid state oxygen anion and electron mediating membrane and catalytic membrane reactors containing them

    DOEpatents

    Schwartz, Michael; White, James H.; Sammels, Anthony F.

    2000-01-01

    This invention relates to gas-impermeable, solid state materials fabricated into membranes for use in catalytic membrane reactors. This invention particularly relates to solid state oxygen anion- and electron-mediating membranes for use in catalytic membrane reactors for promoting partial or full oxidation of different chemical species, for decomposition of oxygen-containing species, and for separation of oxygen from other gases. Solid state materials for use in the membranes of this invention include mixed metal oxide compounds having the brownmillerite crystal structure.

  15. On-site demonstration procedure for solid-state fluorescent ballast

    SciTech Connect

    Verderber, R.; Morse, O.

    1980-09-01

    The report was presented to plant engineers and managers who were involved in an on-site demonstration of EETech solid-state ballasts for two 40-watt T12 fluorescent lamps. The report includes a brief review of the operating principles of solid-state fluorescent ballasts and the status of development achieved during the LBL program. The remainder of the test describes the techniques of managing and instrumenting a test area for assessing the performance of solid-state fluorescent ballasts at an occupied site.

  16. Engineered core/shell quantum dots as phosphors for solid-state lighting

    Office of Scientific and Technical Information (OSTI)

    (Technical Report) | SciTech Connect Technical Report: Engineered core/shell quantum dots as phosphors for solid-state lighting Citation Details In-Document Search Title: Engineered core/shell quantum dots as phosphors for solid-state lighting Light-emitting diodes (LEDs) for solid state light ing (SSL) typically combine a blue or near- ultraviolet drive LED with one or more dow nconverting phosphors to produce "white" light. Further advances in both efficiency and wh ite-light

  17. THE TWELFTH ANNUAL SOLID-STATE LIGHTING R&D WORKSHOP | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    THE TWELFTH ANNUAL SOLID-STATE LIGHTING R&D WORKSHOP THE TWELFTH ANNUAL SOLID-STATE LIGHTING R&D WORKSHOP Nearly 300 researchers, manufacturers, and other industry insiders and observers gathered in San Francisco January 27-29, 2015, to participate in DOE's 12th annual Solid-State Lighting (SSL) R&D Workshop. 1-carr.jpg Mike Carr, Senior Advisor and Principal Deputy Assistant Secretary of DOE's Office of Energy Efficiency and Renewable Energy, gave the keynote address. Noting that

  18. All-optical quantum computing with a hybrid solid-state processing unit

    SciTech Connect

    Pei Pei; Zhang Fengyang; Li Chong; Song Heshan [School of Physics and Optoelectronic Engineering, Dalian University of Technology, Dalian 116024 (China)

    2011-10-15

    We develop an architecture of a hybrid quantum solid-state processing unit for universal quantum computing. The architecture allows distant and nonidentical solid-state qubits in distinct physical systems to interact and work collaboratively. All the quantum computing procedures are controlled by optical methods using classical fields and cavity QED. Our methods have a prominent advantage of the insensitivity to dissipation process benefiting from the virtual excitation of subsystems. Moreover, the quantum nondemolition measurements and state transfer for the solid-state qubits are proposed. The architecture opens promising perspectives for implementing scalable quantum computation in a broader sense that different solid-state systems can merge and be integrated into one quantum processor afterward.

  19. FEMP Outdoor Solid-State Lighting Intiative: Resources for Outdoor SSL Applications

    Energy.gov [DOE]

    Fact sheet describes the Federal Energy Management Program's (FEMP) solid-state lighting (SSL) initiatives that provide information and resources for the application of SSL lighting in exterior spaces.

  20. Insights into capacity loss mechanisms in Li-ion all-solid-state...

    Office of Scientific and Technical Information (OSTI)

    Insights into capacity loss mechanisms in Li-ion all-solid-state batteries with Al anodes Citation Details In-Document Search Title: Insights into capacity loss mechanisms in...

  1. First Principles Contributions to the Thermodynamic Assessment of Solid State Metal Hydride and Complex Hydride Phases

    Office of Energy Efficiency and Renewable Energy (EERE)

    Presentation on the Thermodynamic Assessment of Solid State Metal Hydride and Complex Hydride Phases given at the DOE Theory Focus Session on Hydrogen Storage Materials on May 18, 2006.

  2. Energy Savings Potential of Solid-State Lighting in General Illuminati...

    Energy Saver

    A U.S. DOE SSL report on Energy Savings Potential of Solid-State Lighting in General Illumination Applications. sslenergy-savings-reportjan-2012.pdf (921.67 KB) More Documents & ...

  3. Apply: Solid-State Lighting Advanced Technology R&D - 2015 Funding...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    The U.S. Department of Energy (DOE) announced a solid-state lighting (SSL) R&D funding ... is directed toward all three existing DOE SSL R&D program areas: Core Technology Research ...

  4. S3TEC Annual Workship | Solid State Solar Thermal Energy Conversion

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Saturday Feb 13, 2016 9:00am to 8:00pm Location: MIT Faculty Club Annual Workshop - Solid State Solar Thermal Energy Conversion February 13, 2016 9:00 am-8:00 pm Location: MIT ...

  5. Solid State Division Progress Report for period ending March 31, 1986

    SciTech Connect

    Green, P.H.; Watson, D.M.

    1986-08-01

    This report is divided into: theoretical solid-state physics, surface and near-surface properties of solids, defects in solids, transport properties of solids, neutron scattering, and synthesis and properties of novel materials. (DLC)

  6. The effect of carbon on surface quality of solid-state-sintered...

    Office of Scientific and Technical Information (OSTI)

    The effect of carbon on surface quality of solid-state-sintered silicon carbide as optical materials Citation Details In-Document Search Title: The effect of carbon on surface ...

  7. Solid-State Lighting Program Overview — 2016 BTO Peer Review

    Energy.gov [DOE]

    This presentation at the 2016 Peer Review provided an overview of the Building Technologies Office’s Solid-State Lighting Program. Through robust feedback, the BTO Program Peer Review enhances existing efforts and improves future designs.

  8. High-efficiency solid-state lighting and superconductor research receives

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    funding High-efficiency solid-state lighting and superconductor High-efficiency solid-state lighting and superconductor research receives funding Each project will be funded for up to three years. August 28, 2009 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National

  9. High Efficiency Solid-State Heat Pump Module | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    High Efficiency Solid-State Heat Pump Module High Efficiency Solid-State Heat Pump Module Electrocaloric Calorimeter. Image courtesy of United Technologies Research Center and BTO Peer Review. Electrocaloric Calorimeter. Image courtesy of United Technologies Research Center and BTO Peer Review. Lead Performer: United Technologies Research Center - East Hartford, CT DOE Total Funding: $1,090,000 Cost Share: $365,000 Project Term: August 2015 - September 2017 Funding Opportunity: Building Energy

  10. 2012 Solid-State Lighting R&D Workshop Presentations and Materials |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy 2 Solid-State Lighting R&D Workshop Presentations and Materials 2012 Solid-State Lighting R&D Workshop Presentations and Materials Workshop Report 2012 DOE SSL R&D Workshop Report Presentations Day 1 Welcome and Introduction James Brodrick, U.S. Department of Energy A Lighting Transformation Josh Baribeau, Canaccord Genuity Fueling Technology Advancements and Innovations Fred Maxik, Lighting Science Group Panel 1: Insights from Installations Bruce Kinzey,

  11. The Fourth Annual DOE Solid-State Lighting Manufacturing R&D Workshop |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Information Resources » Conferences & Meetings » Past Conferences » The Fourth Annual DOE Solid-State Lighting Manufacturing R&D Workshop The Fourth Annual DOE Solid-State Lighting Manufacturing R&D Workshop Photo of a room of people seated at conference tables. Two hundred lighting industry leaders from across the country, representing every link in the supply chain-from chip makers, to luminaire manufacturers, to material and equipment suppliers, to

  12. Hybrid Down-Converting Structures for Solid-State Lighting | Department of

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Energy Hybrid Down-Converting Structures for Solid-State Lighting Hybrid Down-Converting Structures for Solid-State Lighting Lead Performer: PhosphorTech Corporation - Kennesaw, GA DOE Total Funding: $149,975 Project Term: February 22, 2016 - November 21, 2016 Funding Type: SBIR PROJECT OBJECTIVE PhosphorTech and its partners propose the development of high-performance, hybrid inorganic down-converting material systems for high-brightness LED applications. While conventional bulk phosphors

  13. 701 Ninth Street, NW

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    01 Ninth Street, NW Washington, DC 20068 202 872-3057 William M. Gausman Vice President, Asset Management January 8, 2007 Mr. Anthony J. Como SEA Document Manager U.S. Department of Energy 1000 Independence Avenue, SW Washington, DC 20585 Re: Special Environmental Analysis For Actions Taken Under U.S. Department of Energy Emergency Orders Regarding Operation of the Potomac River Generating Station in Alexandria, Virginia Dear Mr. Como: Potomac Electric Power Company ("Pepco") has

  14. Demonstration Assessment of Light-Emitting Diode (LED) Street Lighting Host Site: Lija Loop, Portland, Oregon

    SciTech Connect

    Kinzey, Bruce R.; Myer, Michael

    2009-11-01

    This report describes the process and results of a demonstration of solid-state lighting (SSL) technology in a residential street lighting application, under the U.S. Department of Energy GATEWAY Solid-State Lighting Technology Demonstration Program. In this project, eight 100W (nominal) high-pressure sodium cobra head fixtures were replaced with a like number of LED street light luminaires manufactured by Leotek, Inc. The Leotek product achieved an estimated payback in the Lija Loop installation of about 20 years for replacement scenarios and a much shorter 7.6 years for new installations. Much of the associated energy savings (55%) supporting these payback periods, however, were achieved by reducing average horizontal photopic illuminance a similar amount (53%). Examined from a different perspective, the measured performance suggests that the Leotek product is at approximate parity with the HPS cobra head in terms of average delivered photopic illumination for a given power consumption. HPS comprises the second most efficacious street lighting technology available, exceeded only by low pressure sodium (LPS). LPS technology is not considered suitable for most street lighting applications due to its monochromatic spectral output and poor color rendering ability; therefore, this LED product is performing at an efficiency level comparable to its primary competition in this application.

  15. DEVELOPMENT OF SOLID-STATE DRIVERS FOR THE NIF PLASMA ELECTRODE POCKELS CELL

    SciTech Connect

    Barbosa, F; Arnold, P A; McHale, G B; James, G; Brown, G; Cook, E G; Hickman, B C

    2008-05-14

    Large aperture Plasma Electrode Pockels Cells (PEPC) are an enabling technology in the National Ignition Facility (NIF) at the Lawrence Livermore National Laboratory. The Pockels cell allows the NIF laser to take advantage of multipass amplifier architecture, thus reducing costs and physical size of the facility. Each Pockels cell comprises four 40-cm x 40-cm apertures arranged in a 4 x 1 array. The combination of the Pockels cell and a thin-film polarizer, configured in a 4 x 1 array, form an optical switch that is key to achieving multi-pass operation. Solid-state Plasma Pulse Generators (PPGs) and high current high voltage solid-state Switch Pulse Generators (SPGs) have been developed for use in the PEPC. The solid-state plasma pulse generators initiate and maintain plasma within the cells; each pulser is capable of delivering 60J of energy to each plasma channel. Deployment of the solid-state PPGs has been completed in NIF. The MOSFET-switched SPG is capable of delivering a requisite fast rise time, 17kV flattop pulse to the cells nonlinear crystals. A complete software and hardware control system has been developed and is currently being tested for use on the solid-state SPGs. Also a transmission line modeling, development, and testing effort is in process, in support of NIFs Advanced Radiographic Capabilities (ARC). Work is scheduled for completion by the end of the calendar year.

  16. GATEWAY Demonstrations: LED Street Lighting

    SciTech Connect

    Cook, Tyson; Shackelford, Jordan; Pang, Terrance Pang

    2008-12-01

    This report summarizes an assessment project conducted to study the performance of light emitting diode (LED) luminaires in a street lighting application in San Francisco, CA.

  17. Solid-State Lighting Commercial Product Development Resulting from DOE-Funded Projects

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Solid-State Lighting Commercial Product Development Resulting from DOE-Funded Projects The U.S. Department of Energy (DOE) Solid-State Lighting (SSL) Program began funding SSL R&D in 2000, and to date has supported 230 cost-shared SSL projects in the areas of applied research, product development, and manufacturing R&D. This support has directly advanced the understanding and performance of SSL through the publication of articles in technical journals, the creation of intellectual

  18. Solid-State Solar-Thermal Energy Conversion Center (S3TEC) | U.S. DOE

    Office of Science (SC)

    Office of Science (SC) Solid-State Solar-Thermal Energy Conversion Center (S3TEC) Energy Frontier Research Centers (EFRCs) EFRCs Home Centers EFRC External Websites Research Science Highlights News & Events Publications History Contact BES Home Centers Solid-State Solar-Thermal Energy Conversion Center (S3TEC) Print Text Size: A A A FeedbackShare Page S<sup>3</sup>TEC Header Director Gang Chen Lead Institution Massachusetts Institute of Technology Year Established 2009

  19. DOE Announces Selection of National Laboratory Center for Solid-State

    Energy Saver

    of Energy 14, 2014 - 12:00pm Addthis The U.S. Department of Energy (DOE) announced a solid-state lighting (SSL) R&D funding opportunity on October 14, 2014. Under this funding opportunity (DE-FOA-0001171, "Solid-State Lighting Advanced Technology R&D - 2015"), a total of up to $10 million in funding is directed toward all three existing DOE SSL R&D program areas: Core Technology Research-the application of fundamental scientific concepts to SSL technology Product

  20. 2012 Solid-State Lighting Manufacturing R&D Workshop Presentations and

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Materials | Department of Energy Manufacturing R&D Workshop Presentations and Materials 2012 Solid-State Lighting Manufacturing R&D Workshop Presentations and Materials This page provides links to the presentations and materials from the 2012 Solid-State Lighting Manufacturing R&D Workshop, held June 13-14 in San Jose, California. Workshop Report 2012 DOE SSL Manufacturing R&D Workshop Report Presentations Day 1 Welcome and Introduction James Brodrick, U.S. Department of

  1. 2013 Solid-State Lighting R&D Workshop Presentations and Materials |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy R&D Workshop Presentations and Materials 2013 Solid-State Lighting R&D Workshop Presentations and Materials This page provides links to the presentations and materials from the 2013 Solid-State Lighting R&D Workshop, held January 29-31 in Long Beach, California. Presentations Day 1 Welcome and Introduction James Brodrick, U.S. Department of Energy City of Los Angeles: Changing Our Glow for Efficiency Ed Ebrahimian, City of Los Angeles National Research

  2. 2014 Solid-State Lighting Manufacturing R&D Workshop Presentations and

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Materials | Department of Energy Manufacturing R&D Workshop Presentations and Materials 2014 Solid-State Lighting Manufacturing R&D Workshop Presentations and Materials This page provides links to the presentations and materials from the 2014 Solid-State Lighting Manufacturing R&D Workshop, held May 7-8 in San Diego, California. Presentations Day 1 Welcome and Introduction James Brodrick, U.S. Department of Energy Smart Streetlights: A Key Building Block for a Smart City Lorie

  3. 2014 Solid-State Lighting R&D Workshop Presentations and Materials |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy R&D Workshop Presentations and Materials 2014 Solid-State Lighting R&D Workshop Presentations and Materials This page provides links to the presentations and materials from the 2014 Solid-State Lighting R&D Workshop, held January 28-30 in Tampa, Florida. Presentations Day 1 Welcome and Introduction James Brodrick, U.S. Department of Energy The Next Frontier in SSL: Creating New Value with Intelligent, Effective Lighting Brian Chemel, Digital Lumens The

  4. Parasitic oscillation suppression in solid state lasers using absorbing thin films

    DOEpatents

    Zapata, Luis E.

    1994-01-01

    A thin absorbing film is bonded onto at least certain surfaces of a solid state laser gain medium. An absorbing metal-dielectric multilayer film is optimized for a broad range of incidence angles, and is resistant to the corrosive/erosive effects of a coolant such as water, used in the forced convection cooling of the film. Parasitic oscillations hamper the operation of solid state lasers by causing the decay of stored energy to amplified rays trapped within the gain medium by total and partial internal reflections off the gain medium facets. Zigzag lasers intended for high average power operation require the ASE absorber.

  5. Parasitic oscillation suppression in solid state lasers using absorbing thin films

    DOEpatents

    Zapata, L.E.

    1994-08-02

    A thin absorbing film is bonded onto at least certain surfaces of a solid state laser gain medium. An absorbing metal-dielectric multilayer film is optimized for a broad range of incidence angles, and is resistant to the corrosive/erosive effects of a coolant such as water, used in the forced convection cooling of the film. Parasitic oscillations hamper the operation of solid state lasers by causing the decay of stored energy to amplified rays trapped within the gain medium by total and partial internal reflections off the gain medium facets. Zigzag lasers intended for high average power operation require the ASE absorber. 16 figs.

  6. Solid-State Lighting 2015 R&D Plan | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    2015 R&D Plan Solid-State Lighting 2015 R&D Plan The Solid-State Lighting (SSL) R&D Plan is a consolidation of the Department of Energy (DOE) SSL Multi-Year Program Plan (MYPP) and the DOE SSL Manufacturing R&D Roadmap that DOE has published and updated in previous years. The SSL R&D Plan provides analysis and direction for ongoing R&D activities to advance SSL technology and increase energy savings. The Roadmap also reviews SSL technology status and trends for both LEDs

  7. DOE Announces Funding Opportunity for Solid-State Lighting R&D | Department

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    of Energy 14, 2014 - 12:00pm Addthis The U.S. Department of Energy (DOE) announced a solid-state lighting (SSL) R&D funding opportunity on October 14, 2014. Under this funding opportunity (DE-FOA-0001171, "Solid-State Lighting Advanced Technology R&D - 2015"), a total of up to $10 million in funding is directed toward all three existing DOE SSL R&D program areas: Core Technology Research-the application of fundamental scientific concepts to SSL technology Product

  8. DOE Announces Funding Opportunity for Solid-State Lighting R&D | Department

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    of Energy 29, 2015 - 3:43pm Addthis The U.S. Department of Energy (DOE) announced a solid-state lighting (SSL) R&D funding opportunity on October 29, 2015. Under this funding opportunity (DE-FOA-0001364, "Solid-State Lighting Advanced Technology R&D-2016"), a total of up to $10.5 million in funding is directed toward all three existing DOE SSL R&D program areas: Core Technology Research-the application of fundamental scientific concepts to SSL technology Product

  9. Graded Alloy Quantum Dots for Energy-Efficient Solid-State Lighting |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Graded Alloy Quantum Dots for Energy-Efficient Solid-State Lighting Graded Alloy Quantum Dots for Energy-Efficient Solid-State Lighting Lead Performer: Columbia University - New York, NY DOE Total Funding: $1,014,798 Cost Share: $257,534 Project Term: September 1, 2016 - August 31, 2018 Funding Opportunity: SSL R&D Funding Opportunity Announcement (FOA) (DE-FOA-0001364) Project Objective This project will use an inexpensive and widely tunable library of quantum dot

  10. Progress from DOE EF RC: Solid-State Solar-Thermal Energy Conversion Center (S3TEC)

    Office of Energy Efficiency and Renewable Energy (EERE)

    Introduction to the solid-state solar-thermal energy conversion center plus discussion on phonon transport and solar thermoelectric energy conversion

  11. Solid-State Lighting Program Strategy Overview- 2014 BTO Peer Review

    Energy.gov [DOE]

    Presenter: James Broderick, U.S. Department of Energy This presentation at the 2014 Peer Review provided an overview of the Building Technologies Office's Solid-State Lighting Program Strategy activities. Through robust feedback, the BTO Program Peer Review enhances existing efforts and improves future designs.

  12. Solid State Division progress report for period ending September 30, 1990

    SciTech Connect

    Green, P.H.; Hinton, L.W.

    1991-03-01

    This report covers research progress in the Solid State Division from April 1, 1989, to September 30, 1990. During this period, division research programs were significantly enhanced by the restart of the High-Flux Isotope Reactor (HFIR) and by new initiatives in processing and characterization of materials.

  13. 2014 DOE SOLID-STATE LIGHTING MARKET DEVELOPMENT WORKSHOP | Department of

    Energy Saver

    Energy WORKSHOP 2014 DOE SOLID-STATE LIGHTING MARKET DEVELOPMENT WORKSHOP DOE SSL Market Development Workshop Agenda.pdf (380.04 KB) More Documents & Publications 2016 SSL Technology Development Workshop Agenda SSL TECHNOLOGY DEVELOPMENT WORKSHOP AGENDA 2016 DOE SSL R&D Workshop Agenda

  14. Solid-State Lighting. Early Lessons Learned on the Way to Market

    SciTech Connect

    Sandahl, L. J.; Cort, K. A.; Gordon, K. L.

    2014-01-01

    Analysis of issues and lessons learned during the early stages of solid-state lighting market introduction in the U.S., which also summarizes early actions taken to avoid potential problems anticipated based on lessons learned from the market introduction of compact fluorescent lamps.

  15. Controlled phase gate for solid-state charge-qubit architectures

    SciTech Connect

    Schirmer, S.G.; Oi, D.K.L.; Greentree, Andrew D.

    2005-01-01

    We describe a mechanism for realizing a controlled phase gate for solid-state charge qubits. By augmenting the positionally defined qubit with an auxiliary state, and changing the charge distribution in the three-dot system, we are able to effectively switch the Coulombic interaction, effecting an entangling gate. We consider two architectures, and numerically investigate their robustness to gate noise.

  16. Solid State Division progress report for period ending March 31, 1992

    SciTech Connect

    Green, P.H.; Hinton, L.W.

    1992-09-01

    During this period, the division conducted a broad, interdisciplinary materials research program with emphasis on theoretical solid state physics, superconductivity, neutron scattering, synthesis and characterization of materials, ion beam and laser processing, and the structure of solids and surfaces. The High Flux Isotope Reactor was returned to full operation.

  17. Homogeneous, dual layer, solid state, thin film deposition for structural and/or electrochemical characteristics

    DOEpatents

    Pitts, J. Roland; Lee, Se-Hee; Tracy, C. Edwin; Li, Wenming

    2014-04-08

    Solid state, thin film, electrochemical devices (10) and methods of making the same are disclosed. An exemplary device 10 includes at least one electrode (14) and an electrolyte (16) deposited on the electrode (14). The electrolyte (16) includes at least two homogenous layers of discrete physical properties. The two homogenous layers comprise a first dense layer (15) and a second porous layer (16).

  18. System efficiency analysis for high power solid state radio frequency transmitter

    SciTech Connect

    Jain, Akhilesh, E-mail: ajain@rrcat.gov.in; Sharma, D. K.; Gupta, A. K.; Lad, M. R.; Hannurkar, P. R. [RF Systems Division, Raja Ramanna Centre for Advanced Technology, Indore 452013 (India)] [RF Systems Division, Raja Ramanna Centre for Advanced Technology, Indore 452013 (India); Pathak, S. K. [Electromagnetics and Microwave Engineering, Institute for Plasma Research, Gandhinagar 382 428 (India)] [Electromagnetics and Microwave Engineering, Institute for Plasma Research, Gandhinagar 382 428 (India)

    2014-02-15

    This paper examines some important relationships, related with the system efficiency, for very high power, radio frequency solid-state transmitter; incorporating multiple solid-state power amplifier modules, power combiners, dividers, couplers, and control/interlock hardware. In particular, the characterization of such transmitters, at the component as well as the system level, is discussed. The analysis for studying the influence of the amplitude and phase imbalance, on useful performance parameters like system efficiency and power distribution is performed. This analysis is based on a scattering parameter model. This model serves as a template for fine-tuning the results, with the help of a system level simulator. For experimental study, this approach is applied to a recently designed modular and scalable solid-state transmitter, operating at the centre frequency of 505.8?MHz and capable of delivering a continuous power of 75 kW. Such first time presented, system level study and experimental characterization for the real time operation will be useful for the high power solid-state amplifier designs, deployed in particle accelerators.

  19. Theory of the electronic and structural properties of solid state oxides

    SciTech Connect

    Chelikowsky, J.R.

    1990-01-01

    Studies on electronic and structural properties of solid state oxides continued. This quarter, studies have concentrated on silica. Progress is discussed in the following sections: interatomic potentials and the structural properties of silica; chemical reactivity and covalent/metallic bonding on Si clusters; and surface and thermodynamic interatomic forces fields for silicon. 64 refs., 20 figs., 5 tabs. (CBS)

  20. DOE Publishes GATEWAY Report on Portland's LED Streetlight Conversion...

    Energy.gov [DOE] (indexed site)

    matters, and the Portland Bureau of Transportation was an early investigator of LED street lighting and one of the first public agencies to join DOE's Municipal Solid-State Street ...

  1. Detroit Street Lighting Report | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Detroit Street Lighting Report Detroit Street Lighting Report 2015_restoring-detroit.pdf (929.98 KB) More Documents & Publications LED Roadway Lighting OCTOBER 2015 POSTINGS Demonstration Assessment of Light Emitting Diode (LED) Street Lighting, Final Report

  2. Using the Street and Parking Facility Lighting Retrofit Financial...

    Energy Saver

    View the presentation slides View the text-alternative version Solid-State Lighting Home About the Solid-State Lighting Program Research & Development Understanding SSL Information ...

  3. Member Case Studies: LED Street Lighting Programs in Algona ...

    Energy Saver

    View the presentation slides View the text-alternative version Solid-State Lighting Home About the Solid-State Lighting Program Research & Development Understanding SSL Information ...

  4. Cate Street Capital Inc | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Cate Street Capital Inc Jump to: navigation, search Name: Cate Street Capital, Inc. Place: Portsmouth, New Hampshire Zip: 3801 Sector: Renewable Energy Product: New Hampshire-based...

  5. Pecan Street Project Inc | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Project Inc Jump to: navigation, search Name: Pecan Street Project Inc Place: Austin, Texas Zip: 78759 Product: Austin-based smart grid, energy system developer. The Pecan Street...

  6. Energy Savings Forecast of Solid-State Lighting in General Illuminatio...

    Energy Saver

    ... This difference is likely because LED streetlight momentum has come from municipalities embarking on city-wide LED upgrades. Sales in the parking lot submarket are currently ...

  7. Novel Non-Vacuum Fabrication of Solid State Lithium Ion Battery Components

    SciTech Connect

    Oladeji, I.; Wood, D. L.; Wood, III, D. L.

    2012-10-19

    The purpose of this Cooperative Research and Development Agreement (CRADA) between Oak Ridge National Laboratory (ORNL) and Planar Energy Devices, Inc. was to develop large-scale electroless deposition and photonic annealing processes associated with making all-solid-state lithium ion battery cathode and electrolyte layers. However, technical and processing difficulties encountered in 2011 resulted in the focus of the CRADA being redirected solely to annealing of the cathode thin films. In addition, Planar Energy Devices de-emphasized the importance of annealing of the solid-state electrolytes within the scope of the project, but materials characterization of stabilized electrolyte layers was still of interest. All-solid-state lithium ion batteries are important to automotive and stationary energy storage applications because they would eliminate the problems associated with the safety of the liquid electrolyte in conventional lithium ion batteries. However, all-solid-state batteries are currently produced using expensive, energy consuming vacuum methods suited for small electrode sizes. Transition metal oxide cathode and solid-state electrolyte layers currently require about 30-60 minutes at 700-800°C vacuum processing conditions. Photonic annealing requires only milliseconds of exposure time at high temperature and a total of <1 min of cumulative processing time. As a result, these processing techniques are revolutionary and highly disruptive to the existing lithium ion battery supply chain. The current methods of producing all-solid-state lithium ion batteries are only suited for small-scale, low-power cells and involve high-temperature vacuum techniques. Stabilized LiNixMnyCozAl1-x-y-zO2 (NMCA) nanoparticle films were deposited onto stainless steel substrates using Planar Energy Devices’ streaming process for electroless electrochemical deposition (SPEED). Since successful SPEED trials were demonstrated by Planar Energy Devices with NMCA prior to 2010, this

  8. Alfven seismic vibrations of crustal solid-state plasma in quaking paramagnetic neutron star

    SciTech Connect

    Bastrukov, S.; Xu, R.-X.; Molodtsova, I.; Takata, J.; Chang, H.-K.

    2010-11-15

    Magneto-solid-mechanical model of two-component, core-crust, paramagnetic neutron star responding to quake-induced perturbation by differentially rotational, torsional, oscillations of crustal electron-nuclear solid-state plasma about axis of magnetic field frozen in the immobile paramagnetic core is developed. Particular attention is given to the node-free torsional crust-against-core vibrations under combined action of Lorentz magnetic and Hooke's elastic forces; the damping is attributed to Newtonian force of shear viscose stresses in crustal solid-state plasma. The spectral formulas for the frequency and lifetime of this toroidal mode are derived in analytic form and discussed in the context of quasiperiodic oscillations of the x-ray outburst flux from quaking magnetars. The application of obtained theoretical spectra to modal analysis of available data on frequencies of oscillating outburst emission suggests that detected variability is the manifestation of crustal Alfven's seismic vibrations restored by Lorentz force of magnetic field stresses.

  9. High energy bursts from a solid state laser operated in the heat capacity limited regime

    DOEpatents

    Albrecht, Georg; George, E. Victor; Krupke, William F.; Sooy, Walter; Sutton, Steven B.

    1996-01-01

    High energy bursts are produced from a solid state laser operated in a heat capacity limited regime. Instead of cooling the laser, the active medium is thermally well isolated. As a result, the active medium will heat up until it reaches some maximum acceptable temperature. The waste heat is stored in the active medium itself. Therefore, the amount of energy the laser can put out during operation is proportional to its mass, the heat capacity of the active medium, and the temperature difference over which it is being operated. The high energy burst capacity of a heat capacity operated solid state laser, together with the absence of a heavy, power consuming steady state cooling system for the active medium, will make a variety of applications possible. Alternately, cooling takes place during a separate sequence when the laser is not operating. Industrial applications include new material working processes.

  10. High energy bursts from a solid state laser operated in the heat capacity limited regime

    DOEpatents

    Albrecht, G.; George, E.V.; Krupke, W.F.; Sooy, W.; Sutton, S.B.

    1996-06-11

    High energy bursts are produced from a solid state laser operated in a heat capacity limited regime. Instead of cooling the laser, the active medium is thermally well isolated. As a result, the active medium will heat up until it reaches some maximum acceptable temperature. The waste heat is stored in the active medium itself. Therefore, the amount of energy the laser can put out during operation is proportional to its mass, the heat capacity of the active medium, and the temperature difference over which it is being operated. The high energy burst capacity of a heat capacity operated solid state laser, together with the absence of a heavy, power consuming steady state cooling system for the active medium, will make a variety of applications possible. Alternately, cooling takes place during a separate sequence when the laser is not operating. Industrial applications include new material working processes. 5 figs.

  11. A new solid state extractor pulser for the FNAL magnetron ion source

    SciTech Connect

    Bollinger, D. S.; Lackey, J.; Larson, J.; Triplett, K.

    2015-10-05

    A new solid state extractor pulser has been installed on the Fermi National Accelerator Laboratory (FNAL) magnetron ion source, replacing a vacuum tube style pulser that was used for over 40 years. The required ion source extraction voltage is 35 kV for injection into the radio frequency quadrupole. At this voltage, the old pulser had a rise time of over 150 μs due to the current limit of the vacuum tube. The new solid state pulsers are capable of 50 kV, 100 A peak current pulses and have a rise time of 9 μs when installed in the operational system. This paper will discuss the pulser design and operational experience to date.

  12. Amplitude Control of Solid-State Modulators for Precision Fast Kicker Applications

    SciTech Connect

    Watson, J A; Anaya, R M; Caporaso, G C; Chen, Y J; Cook, E G; Lee, B S; Hawkins, A

    2002-11-15

    A solid-state modulator with very fast rise and fall times, pulse width agility, and multi-pulse burst and intra-pulse amplitude adjustment capability for use with high speed electron beam kickers has been designed and tested at LLNL. The modulator uses multiple solid-state modules stacked in an inductive-adder configuration. Amplitude adjustment is provided by controlling individual modules in the adder, and is used to compensate for transverse e-beam motion as well as the dynamic response and beam-induced steering effects associated with the kicker structure. A control algorithm calculates a voltage based on measured e-beam displacement and adjusts the modulator to regulate beam centroid position. This paper presents design details of amplitude control along with measured performance data from kicker operation on the ETA-II accelerator at LLNL.

  13. High-Efficiency Solid State Cooling Technologies: Non-Equilibrium Asymmetic Thermoelectrics (NEAT) Devices

    SciTech Connect

    2010-09-01

    BEETIT Project: Sheetak is developing a thermoelectric-based solid state cooling system to replace typical air conditioners that use vapor compression to cool air. With noisy mechanical components, vapor compression systems use a liquid refrigerant to circulate within the air conditioner, absorb heat, and pump the heat out into the external environment. With no noisy moving parts or polluting refrigerants, thermoelectric systems rely on an electrical current being passed through the junction of the two different conducting materials to change temperature. Using advanced semiconductor technology, Sheetak is improving solid state cooling systems by using proprietary thermoelectric materials along with other innovations to achieve significant energy efficiency. Sheetak’s new design displaces compressor-based technology; improves reliability; and decreases energy usage. Sheetak’s use of semiconductor manufacturing methods leads to less material use—facilitating cheaper production.

  14. Solid State eBurner for Supplying Power to Laptops, Cellphones - Energy

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Innovation Portal Industrial Technologies Industrial Technologies Electricity Transmission Electricity Transmission Find More Like This Return to Search Solid State eBurner for Supplying Power to Laptops, Cellphones Oak Ridge National Laboratory Contact ORNL About This Technology Electrons from the hot Pt nanoparticles are emitted over the oxide conduction band (CB<sub>ox</sub>) barrier into the cold semiconductor to produce power. Electrons from the hot Pt nanoparticles are

  15. Solid-state neutron detector offers high sensitivity with reduced cost -

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Energy Innovation Portal Industrial Technologies Industrial Technologies Energy Analysis Energy Analysis Find More Like This Return to Search Solid-state neutron detector offers high sensitivity with reduced cost National Renewable Energy Laboratory Contact NREL About This Technology Technology Marketing Summary Neutron detectors are vital in the national security effort to detect special nuclear material at the hundreds of U.S. ports of entry. Special nuclear material emits neutrons which

  16. Solid-State Lighting Patents Resulting from DOE-Funded Projects

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    6, 109 solid-state lighting (SSL) patents have been awarded to research projects funded by the U.S. Department of Energy. Since December 2000, when DOE began funding SSL research projects, a total of 261 patent applications have been submitted, ranging from large businesses (83) and small businesses (97) to universities (69) and national laboratories (12). DOE tracks three types of patent applications. A brief overview and the symbol used to identify each application type follows: NP U.S.

  17. First Principles Contributions to the Thermodynamic Assessment of Solid State Metal Hydride and Complex Hydride Phases

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Principles Contributions to the Thermodynamic Assessment of Solid State Metal Hydride and Complex Hydride Phases Susanne M. Opalka, United Technologies Research Center Caian Qiu, Caterpillar Champaign Simulation Center Ole Martin Løvvik, University of Olso, Norway DOE Theory Focus Session on Hydrogen Storage Materials Crystal Gateway Marriott, Crystal City, VA May 18, 2006 Acknowledgements We acknowledge the contributions of our collaborators: Paul W. Saxe, Materials Design, Inc. , Institute

  18. Industry Leaders, Research Experts Gather for Fourth Annual DOE Solid-State Lighting Workshop

    Office of Energy Efficiency and Renewable Energy (EERE)

    More than 250 attendees gathered in Phoenix, Arizona, to participate in the 2007 DOE Solid-State Lighting (SSL) Program Planning Workshop on January 31-February 2, 2007. Lighting industry leaders, fixture manufacturers, researchers, academia, trade associations, lighting designers, energy efficiency organizations, and utilities joined DOE to share perspectives on the rapidly evolving SSL market. The workshop provided a forum for building partnerships and strategies to accelerate technology advances and guide market introduction of high efficiency, high-performance SSL products.

  19. Solid State Division progress report for period ending March 31, 1997

    SciTech Connect

    Green, P.H.; Hinton, L.W.

    1997-12-01

    This report covers research progress in the Solid State Division from April 1, 1995, through March 31, 1997. During this period, the division conducted a broad, interdisciplinary materials research program in support of Department of Energy science and technology missions. The report includes brief summaries of research activities in condensed matter theory, neutron scattering, synthesis and characterization of materials, ion beam and laser processing, and the structure of solids and surfaces. An addendum includes listings of division publications and professional activities.

  20. Solid-State Lighting-L Prize Competition | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    L Prize Competition Solid-State Lighting-L Prize Competition Presenter: Marc Ledbetter, Pacific Northwest National Laboratory The L Prize competition spurs the development of new, ultra-efficient lighting products to replace common light sources, including the 60-watt (W) incandescent bulb and the PAR38 reflector bulb. The goal is to realize significant lighting energy savings through widespread product adoption. Winning manufacturers receive significant recognition, and retailers, energy

  1. Solid State Division progress report for period ending September 30, 1984

    SciTech Connect

    Green, P.H.; Watson, D.M.

    1985-03-01

    During the reporting period, relatively minor changes have occurred in the research areas of interest to the Division. Nearly all the research of the Division can be classified broadly as mission-oriented basic research. Topics covered include: theoretical solid state physics; surface and near-surface properties of solids; defects in solids; transport properties of solids; neutron scattering; and preparation and characterization of research materials. (GHT)

  2. Tritium Solid State NMR Spectroscopy at PNNL for Evaluation fo Hydrogen Storage Materials

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Tritium Solid State NMR Spectroscopy at PNNL for Evaluation of Hydrogen Storage Materials Robert C. Bowman, Jr. Energy and Transportation Science Division Sustainable Transportation Program Oak Ridge National Laboratory Herman M. Cho Physical and Computational Sciences Directorate Pacific Northwest National Laboratory Hydrogen Storage Lab PI Workshop NREL, Golden, CO November 5, 2015 Revised edition Nov 23, 2015 Introduction Rational design of new materials to meet DOE performance targets

  3. Transformations in Lighting: The Seventh Annual Solid-State Lighting R&D Workshop

    Energy.gov [DOE]

    More than 350 researchers, manufacturers, and other industry insiders and observers gathered in Raleigh, N.C., February 2–4, 2010, to participate in the "Transformations in Lighting" Solid-State Lighting R&D Workshop, hosted by DOE. The workshop was the seventh annual DOE meeting to accelerate SSL technology advances and guide market introduction of quality SSL products, and it brought together a diverse gathering of participants to share insights, ideas, and updates.

  4. Dynamic nuclear polarization solid-state NMR in heterogeneous catalysis research

    DOE PAGES [OSTI]

    Kobayashi, Takeshi; Perras, Frédéric A.; Slowing, Igor I.; Sadow, Aaron D.; Pruski, Marek

    2015-10-20

    In this study, a revolution in solid-state nuclear magnetic resonance (SSNMR) spectroscopy is taking place, attributable to the rapid development of high-field dynamic nuclear polarization (DNP), a technique yielding sensitivity improvements of 2–3 orders of magnitude. This higher sensitivity in SSNMR has already impacted materials research, and the implications of new methods on catalytic sciences are expected to be profound.

  5. Solid state research. Quarterly technical report 1 February--30 April 1999

    SciTech Connect

    Shaver, D.C.

    1999-09-01

    This report covers in detail the research work of the Solid State Division at Lincoln Laboratory for the period 1 February--30 April 1999. The topics covered are Quantum Electronics, Electro-optical Materials and Devices, Submicrometer Technology, Biosensor and Molecular Technologies, Microelectronics, Analog Device Technology, and Advanced Silicon Technology. Funding is provided by several DoD organizations--including the Air Force, Army, BMDO, DARPA, Navy, NSA, and OSD--and also by the DOE, NASA, and NIST.

  6. Industry Leaders, Research Experts Gather for Second Annual DOE Solid-State Lighting Workshop

    Energy.gov [DOE]

    Technology leaders from industry, research institutions, universities, and national laboratories gathered in San Diego, California, on February 3 and 4, 2005 to attend a workshop focused on advancing solid-state lighting (SSL) technology from the laboratory to the marketplace. Sponsored by the U.S. Department of Energy (DOE) Building Technologies Office, the workshop provided an interactive forum for shaping and prioritizing DOE's SSL research and development activities.

  7. Monitoring atmospheric emissions from petrochemical industries using low-level solid state sensors

    SciTech Connect

    Szinyei, W.J.; Kimbell, C.L. (Tracor Atlas, Inc., Houston, TX (US))

    1988-01-01

    Low level solid state sensors provide an inexpensive alternative to monitoring part per billion levels of pollution over wide areas on a continuous basis. Solid state sensors such as those manufactured by Tracer Atlas for hydrogen sulfide and mercaptans are commonly applied in personnel protection applications, to monitor for and warn against high levels of certain toxic gases. Although these devices are not precision analytical instruments, with the proper configuration and electronics they can give reliable indication of the presence at the part per billion level of certain polluting gases. These sensors are sufficiently stable so that a general idea of pollutant level at any given time can be established. The configuration, operation and application of sensors sensitive to hydrogen sulfide and mercaptans are discussed in particular. Sensitivity, repeatability, and measurement range is also addressed. In low level applications, solid state sensors would be used as perimeter monitors around plants where there might be low level emissions of a pollutant gas that would need to be monitored on a continuous basis. Connecting a distributed group of sensors to an intelligent data gathering system such as a personal computer can allow spatial distributions in time and time weighted averages of pollutant levels to be calculated and charted.

  8. Prototype Development Progress Toward a 500 kV Solid State Marx Modulator

    SciTech Connect

    Leyh, G.

    2004-07-27

    Recent advances in IGBT and SiC technology have made possible a range of solid-state modulator concepts that were unthinkable a decade ago. Power densities and speeds of pulsed-power circuits have increased dramatically due to the commercial introduction of fast, multi-kilovolt IGBT silicon and SiC diodes featured in PCB-style packages. A solid-state modulator concept that stands to benefit considerably from recent IGBT and SiC breakthroughs is the Marx configuration--where an array of stacked modules generates high-voltage output pulses directly from a low voltage DC supply. The Marx scheme avoids the large, inefficient and costly magnetic cores inherent in standard modulator designs, resulting in a considerably simpler, cheaper and more compact mechanical solution. The main disadvantage to this approach is that the individual cells in a Marx bank must float at high voltages during the pulse, complicating the distribution of power and timing signals. This paper examines in closer detail the practical advantages and pitfalls of a solid-state Marx configuration, and explores a design approach with emphasis on performance, wall-plug efficiency, cost of manufacture, availability and ease of service. The paper presents electrical diagrams, mechanical CAD layout and preliminary prototype test data.

  9. An all solid state pulse power source for high PRF induction accelerators

    SciTech Connect

    Kirbie, H., LLNL

    1998-06-01

    Researchers at the Lawrence Livermore National Laboratory (LLNL) are developing a flexible, all solid-state pulsed power source that will enable an induction accelerator to produce mulitkiloampere electron beams at a maximum pulse repetition frequency (prf) of 2 MHz. The prototype source consists of three, 15-kV, 4.8-kA solid-state modulators stacked in an induction adder configuration. Each modulator contains over 1300 field-effect transistors (FETs) that quickly connect and disconnect four banks of energy storage capacitors to a magnetic induction core. The FETs are commanded on and off by an optical signal that determines the duration of the accelerating pulse. Further electronic circuitry is provided that resets the magnetic cores in each modulator immediately after the accelerating pulse. The system produces bursts of five or more pulses with an adjustable pulse width that ranges from 200 ns to 2 {micro}s The pulse duty factor within a burst can be as high as 25% while still allowing time for the induction core to reset. The solid-state modulator described above is called ARM-II and is named for the Advanced Radiographic Machine (ARM)-a powerful radiographic accelerator that will be the principal diagnostic device for the future Advanced Hydrotest Facility (AHF).

  10. The potential of ill-nitride laser diodes for solid-state lighting [Advantages of III-Nitride Laser Diodes in Solid-State Lighting

    DOE PAGES [OSTI]

    Wierer, Jonathan; Tsao, Jeffrey Y.

    2014-09-01

    III-nitride laser diodes (LDs) are an interesting light source for solid-state lighting (SSL). Modelling of LDs is performed to reveal the potential advantages over traditionally used light-emitting diodes (LEDs). The first, and most notable, advantage is LDs have higher efficiency at higher currents when compared to LEDs. This is because Auger recombination that causes efficiency droop can no longer grow after laser threshold. Second, the same phosphor-converted methods used with LEDs can also be used with LDs to produce white light with similar color rendering and color temperature. Third, producing white light from direct emitters is equally challenging for bothmore » LEDs and LDs, with neither source having a direct advantage. Lastly, the LD emission is directional and can be more readily captured and focused, leading to the possibility of novel and more compact luminaires. These advantages make LDs a compelling source for future SSL.« less

  11. A compact 300 kV solid-state high-voltage nanosecond generator for dielectric wall accelerator

    SciTech Connect

    Shen, Yi; Wang, Wei; Liu, Yi; Xia, Liansheng Zhang, Huang; Pan, Haifeng; Zhu, Jun; Shi, Jinshui; Zhang, Linwen; Deng, Jianjun

    2015-05-15

    Compact solid-state system is the main development trend in pulsed power technologies. A compact solid-state high-voltage nanosecond pulse generator with output voltage of 300 kV amplitude, 10 ns duration (FWHM), and 3 ns rise-time was designed for a dielectric wall accelerator. The generator is stacked by 15 planar-plate Blumlein pulse forming lines (PFL). Each Blumlein PFL consists of two solid-state planar transmission lines, a GaAs photoconductive semiconductor switch, and a laser diode trigger. The key components of the generator and the experimental results are reported in this paper.

  12. Comparison of different liquid anaerobic digestion effluents as inocula and nitrogen sources for solid-state batch anaerobic digestion of corn stover

    SciTech Connect

    Xu Fuqing; Shi Jian; Lv Wen; Yu Zhongtang; Li Yebo

    2013-01-15

    Highlights: Black-Right-Pointing-Pointer Compared methane production of solid AD inoculated with different effluents. Black-Right-Pointing-Pointer Food waste effluent (FWE) had the largest population of acetoclastic methanogens. Black-Right-Pointing-Pointer Solid AD inoculated with FWE produced the highest methane yield at F/E ratio of 4. Black-Right-Pointing-Pointer Dairy waste effluent (DWE) was rich of cellulolytic and xylanolytic bacteria. Black-Right-Pointing-Pointer Solid AD inoculated with DWE produced the highest methane yield at F/E ratio of 2. - Abstract: Effluents from three liquid anaerobic digesters, fed with municipal sewage sludge, food waste, or dairy waste, were evaluated as inocula and nitrogen sources for solid-state batch anaerobic digestion of corn stover in mesophilic reactors. Three feedstock-to-effluent (F/E) ratios (i.e., 2, 4, and 6) were tested for each effluent. At an F/E ratio of 2, the reactor inoculated by dairy waste effluent achieved the highest methane yield of 238.5 L/kgVS{sub feed}, while at an F/E ratio of 4, the reactor inoculated by food waste effluent achieved the highest methane yield of 199.6 L/kgVS{sub feed}. The microbial population and chemical composition of the three effluents were substantially different. Food waste effluent had the largest population of acetoclastic methanogens, while dairy waste effluent had the largest populations of cellulolytic and xylanolytic bacteria. Dairy waste also had the highest C/N ratio of 8.5 and the highest alkalinity of 19.3 g CaCO{sub 3}/kg. The performance of solid-state batch anaerobic digestion reactors was closely related to the microbial status in the liquid anaerobic digestion effluents.

  13. DOE Announces Selections for Solid-State Lighting Core Technology and Product Development Funding Opportunities (Round 3)

    Energy.gov [DOE]

    The National Energy Technology Laboratory (NETL), on behalf of the U.S. Department of Energy (DOE), is pleased to announce eight selections in response to the Solid-State Lighting (SSL) Core...

  14. DOE Announces Selections for Solid-State Lighting Core Technology and Product Development Funding Opportunities (Round 4)

    Energy.gov [DOE]

    The National Energy Technology Laboratory (NETL), on behalf of the U.S. Department of Energy (DOE), is pleased to announce 13 selections in response to the Solid-State Lighting (SSL) Core...

  15. Networked Lighting Power and Control Platform for Solid State Lighting in Commercial Office Applications

    SciTech Connect

    Covaro, Mark

    2012-08-15

    Redwood Systems' objective is to further accelerate the acceptance of solid state lighting (SSL) with fine grain and easy-to-use control. In addition, increased and improved sensor capability allows the building owner or user to gather data on the environment within the building. All of this at a cost equal to or less than that of code-compliant fluorescent lighting. The grant we requested and received has been used to further enhance the system with power conversion efficiency improvements and additional features. Some of these features, such as building management system (BMS) control, allow additional energy savings in non-lighting building systems.

  16. Solid-State Division progress report for period ending March 31, 1983

    SciTech Connect

    Green, P.H.; Watson, D.M.

    1983-09-01

    Progress and activities are reported on: theoretical solid-state physics (surfaces; electronic, vibrational, and magnetic properties; particle-solid interactions; laser annealing), surface and near-surface properties of solids (surface, plasma-material interactions, ion implantation and ion-beam mixing, pulsed-laser and thermal processing), defects in solids (radiation effects, fracture, impurities and defects, semiconductor physics and photovoltaic conversion), transport properties of solids (fast-ion conductors, superconductivity, mass and charge transport in materials), neutron scattering (small-angle scattering, lattice dynamics, magnetic properties, structure and instrumentation), and preparation and characterization of research materials (growth and preparative methods, nuclear waste forms, special materials). (DLC)

  17. The Use of a Solid State Analog Television Transmitter as a Superconducting Electron Gun Power Amplifier

    SciTech Connect

    J.G. Kulpin, K.J. Kleman, R.A. Legg

    2012-07-01

    A solid state analog television transmitter designed for 200 MHz operation is being commissioned as a radio frequency power amplifier on the Wisconsin superconducting electron gun cavity. The amplifier consists of three separate radio frequency power combiner cabinets and one monitor and control cabinet. The transmitter employs rugged field effect transistors built into one kilowatt drawers that are individually hot swappable at maximum continuous power output. The total combined power of the transmitter system is 33 kW at 200 MHz, output through a standard coaxial transmission line. A low level radio frequency system is employed to digitally synthesize the 200 MHz signal and precisely control amplitude and phase.

  18. DOE Announces Selections for Solid-State Lighting Core Technology Research

    Energy Saver

    Energy Selections for SSL R&D Funding Opportunity DOE Announces Selections for SSL R&D Funding Opportunity June 13, 2014 - 10:49am Addthis The U.S. Department of Energy has announced the competitive selection of solid-state lighting (SSL) projects to receive funding, in response to the SSL funding opportunity announcement (FOA) DE-FOA-0000973. These one- to two-year projects will focus on the areas of Core Technology Research, which involves the application of fundamental scientific

  19. Electric-field enhanced performance in catalysis and solid-state devices involving gases

    SciTech Connect

    Blackburn, Bryan M.; Wachsman, Eric D.; Van Assche, IV, Frederick Martin

    2015-05-19

    Electrode configurations for electric-field enhanced performance in catalysis and solid-state devices involving gases are provided. According to an embodiment, electric-field electrodes can be incorporated in devices such as gas sensors and fuel cells to shape an electric field provided with respect to sensing electrodes for the gas sensors and surfaces of the fuel cells. The shaped electric fields can alter surface dynamics, system thermodynamics, reaction kinetics, and adsorption/desorption processes. In one embodiment, ring-shaped electric-field electrodes can be provided around sensing electrodes of a planar gas sensor.

  20. Energy Savings Forecast of Solid-State Lighting in General Illumination Applications

    SciTech Connect

    none,

    2014-08-29

    With declining production costs and increasing technical capabilities, LED adoption has recently gained momentum in general illumination applications. This is a positive development for our energy infrastructure, as LEDs use significantly less electricity per lumen produced than many traditional lighting technologies. The U.S. Department of Energy’s Energy Savings Forecast of Solid-State Lighting in General Illumination Applications examines the expected market penetration and resulting energy savings of light-emitting diode, or LED, lamps and luminaires from today through 2030.

  1. Solid state amorphization of nanocrystalline nickel by cryogenic laser shock peening

    SciTech Connect

    Ye, Chang Ren, Zhencheng; Zhao, Jingyi; Hou, Xiaoning; Dong, Yalin; Liu, Yang; Sang, Xiahan

    2015-10-07

    In this study, complete solid state amorphization in nanocrystalline nickel has been achieved through cryogenic laser shock peening (CLSP). High resolution transmission electron microscopy has revealed the complete amorphous structure of the sample after CLSP processing. A molecular dynamic model has been used to investigate material behavior during the shock loading and the effects of nanoscale grain boundaries on the amorphization process. It has been found that the initial nanoscale grain boundaries increase the initial Gibbs free energy before plastic deformation and also serve as dislocation emission sources during plastic deformation to contribute to defect density increase, leading to the amorphization of pure nanocrystalline nickel.

  2. Solid-State Lighting: Early Lessons Learned on the Way to Market

    SciTech Connect

    Sandahl, Linda J.; Cort, Katherine A.; Gordon, Kelly L.

    2013-12-31

    The purpose of this report is to document early challenges and lessons learned in the solid-state lighting (SSL) market development as part of the DOE’s SSL Program efforts to continually evaluate market progress in this area. This report summarizes early actions taken by DOE and others to avoid potential problems anticipated based on lessons learned from the market introduction of compact fluorescent lamps and identifies issues, challenges, and new lessons that have been learned in the early stages of the SSL market introduction. This study identifies and characterizes12 key lessons that have been distilled from DOE SSL program results.

  3. Maskelynite formation via solid-state transformation: Evidence of infrared and x-ray anisotropy

    DOE PAGES [OSTI]

    Jaret, Steven J.; Ehm, Lars; Woerner, William R.; Phillips, Brian L.; Nekvasil, Hanna; Wright, Shawn P.; Glotch, Timothy D.

    2015-03-24

    We present optical microscopy, micro-Raman spectroscopy, nuclear magnetic resonance (NMR) spectroscopy, high-energy X-ray total scattering experiments, and micro-Fourier transform infrared (micro-FTIR) spectroscopy on shocked labradorite from the Lonar Crater, India. We show that maskelynite of shock class 2 is structurally more similar to fused glass than to crystalline plagioclase. However, there are slight but significant differences – preservation of original pre-impact igneous zoning, anisotropy at Infrared wavelengths, X-ray anisotropy, and preservation of some intermediate range order – which are all consistent with a solid-state transformation formation of maskelynite.

  4. Solid state fermentation system for production of ethanol from apple pomace

    SciTech Connect

    Hang, Y.D.; Lee, C.Y.; Woodams, E.E.

    1982-01-01

    A solid state fermentation system for the production of ethanol from apple pomace with a Montrachet strain of Saccharomyces cerevisiae is described. The yields of ethanol varied from about 29 g to more than 40 g/kg of apple pomace, depending on the samples fermented. Separation of up to 99% of the ethanol from spent qpple pomace was achieved with a rotary vacuum evaporator. Alcohol fermentation of apple pomace might be an efficient method of alleviating waste disposal problems with the concomitant production of ethanol.

  5. Industry Leaders, Research Experts Gather for 2006 DOE Solid-State Lighting Workshop

    Office of Energy Efficiency and Renewable Energy (EERE)

    Solid-state lighting (SSL) technology leaders from industry, research institutions, universities, and national laboratories gathered in Orlando, Florida from February 1-3, 2006 to attend a workshop focused on advancing SSL technologies from the laboratory to the marketplace. The workshop was hosted by the U.S. Department of Energy (DOE) Office of Energy Efficiency and Renewable Energy (Building Technologies Office) and the Office of Science (Basic Energy Sciences Program). The 2006 workshop provided a forum for sharing updates on basic research underlying SSL technology, SSL core technology research, product development, commercialization support, and the ultimate goal of bringing energy-efficient, cost-competitive products to the market.

  6. Maskelynite formation via solid-state transformation: Evidence of infrared and x-ray anisotropy

    SciTech Connect

    Jaret, Steven J.; Ehm, Lars; Woerner, William R.; Phillips, Brian L.; Nekvasil, Hanna; Wright, Shawn P.; Glotch, Timothy D.

    2015-03-24

    We present optical microscopy, micro-Raman spectroscopy, nuclear magnetic resonance (NMR) spectroscopy, high-energy X-ray total scattering experiments, and micro-Fourier transform infrared (micro-FTIR) spectroscopy on shocked labradorite from the Lonar Crater, India. We show that maskelynite of shock class 2 is structurally more similar to fused glass than to crystalline plagioclase. However, there are slight but significant differences preservation of original pre-impact igneous zoning, anisotropy at Infrared wavelengths, X-ray anisotropy, and preservation of some intermediate range order which are all consistent with a solid-state transformation formation of maskelynite.

  7. The Fifth Annual DOE Solid-State Lighting Manufacturing R&D Workshop |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Manufacturing R&D Workshop The Fifth Annual DOE Solid-State Lighting Manufacturing R&D Workshop Photo of a conference room with people seated side by side at rows of tables. More than 150 industry leaders from across the country, representing every link in the supply chain-chip makers, luminaire manufacturers, material and equipment suppliers, packagers, luminaire testers, and makers of testing equipment-gathered in Boston June 5-6, 2013, to share insights,

  8. Continuous-wave and pulsed solid-state-laser model. Master's thesis

    SciTech Connect

    Rotondaro, M.D.

    1990-11-01

    A solid state laser is modeled for use on a personal computer. The model can accurately represent Nd:YAG and Nd:Glass lasers during both continuous wave and repetitively pulsed operation. The large number of input variables allow the user to make changes to the cavity, optical pump source, and the cooling system. The model calculates the energy, power, and divergence angle of the beam along with other variables. Because of its user-friendly interface, it is possible for someone with limited laser experience to obtain useful information.

  9. Isothermal Solid-State Transformation Kinetics Applied to Pd/Cu Alloy Membrane Fabrication

    SciTech Connect

    Pomerantz, Natalie L; Payzant, E Andrew; Ma, Yi Hua

    2010-01-01

    In this work, time-resolved, in situ high-temperature X-ray diffraction (HT-XRD) was used to study the solid-state transformation kinetics of the formation of the fcc Pd/Cu alloy from Pd/Cu bi-layers for the purpose of fabricating sulfur tolerant Pd/Cu membranes for H2 separation. Thin layers of Pd and Cu (total ~15 wt% Cu) were deposited on porous stainless steel (PSS) with the electroless deposition method and annealed in H2 at 500, 550 and 600 C. The kinetics of the annealing process were successfully described by the Avrami nucleation and growth model showing that the annealing process was diffusion controlled and one dimensional. The activation energy for the solid-state transformation was 175 kJ/mol, which was similar to the activation energy of Pd-Cu bulk interdiffusion. Furthermore, the Avrami model was able to successfully describe the changes in permeance and activation energy observed in Pd/Cu alloy membranes during characterization as they were annealed at high temperatures.

  10. Characterization of proton exchange membrane materials for fuel cells by solid state nuclear magnetic resonance

    SciTech Connect

    Kong, Zueqian

    2010-03-15

    Solid-state nuclear magnetic resonance (NMR) has been used to explore the nanometer-scale structure of Nafion, the widely used fuel cell membrane, and its composites. We have shown that solid-state NMR can characterize chemical structure and composition, domain size and morphology, internuclear distances, molecular dynamics, etc. The newly-developed water channel model of Nafion has been confirmed, and important characteristic length-scales established. Nafion-based organic and inorganic composites with special properties have also been characterized and their structures elucidated. The morphology of Nafion varies with hydration level, and is reflected in the changes in surface-to-volume (S/V) ratio of the polymer obtained by small-angle X-ray scattering (SAXS). The S/V ratios of different Nafion models have been evaluated numerically. It has been found that only the water channel model gives the measured S/V ratios in the normal hydration range of a working fuel cell, while dispersed water molecules and polymer ribbons account for the structures at low and high hydration levels, respectively.

  11. Diode array alternative to paint removal solid-state cw laser

    SciTech Connect

    Comaskey, B.

    1993-12-29

    The purpose of this memo is to highlight an alternative to the approach for cw laser paint removal. The point to be made is that a direct diode design is feasible and can be far more competitive than a solid-state laser based system. Through by-passing the use of a solid-state laser media, we immediately gain a factor of about five in system efficiency based on measured optical-to-optical efficiencies of our average power diode pumped lasers. This permits a massive reduction in system cooling requirements. It should be noted that cooling system size was the greatest concern voiced by Gordon McFadden at Hobart Lasers with regards to his Nd:YAG laser systems operated in field applications. Furthermore, with direct diode use far fewer diode packages will be needed to deliver a given amount of wattage on the target. This will largely eliminate the intimidating sticker shock and shorten (proportionally by the diode count) the required run-to-fail times demanded of the system.

  12. In Situ STEM-EELS observation of nanoscale interfacial phenomena in all-solid-state batteries

    DOE PAGES [OSTI]

    Wang, Ziying; Xin, Huolin L.; Santhanagopalan, Dhamodaran; Zhang, Wei; Wang, Feng; He, Kai; Li, Juchuan; Dudney, Nancy; Meng, Ying Shirley

    2016-05-03

    Behaviors of functional interfaces are crucial factors in the performance and safety of energy storage and conversion devices. Indeed, solid electrode–solid electrolyte interfacial impedance is now considered the main limiting factor in all-solid-state batteries rather than low ionic conductivity of the solid electrolyte. Here, we present a new approach to conducting in situ scanning transmission electron microscopy (STEM) coupled with electron energy loss spectroscopy (EELS) in order to uncover the unique interfacial phenomena related to lithium ion transport and its corresponding charge transfer. Our approach allowed quantitative spectroscopic characterization of a galvanostatically biased electrochemical system under in situ conditions. Usingmore » a LiCoO2/LiPON/Si thin film battery, an unexpected structurally disordered interfacial layer between LiCoO2 cathode and LiPON electrolyte was discovered to be inherent to this interface without cycling. During in situ charging, spectroscopic characterization revealed that this interfacial layer evolved to form highly oxidized Co ions species along with lithium oxide and lithium peroxide species. Here, these findings suggest that the mechanism of interfacial impedance at the LiCoO2/LiPON interface is caused by chemical changes rather than space charge effects. Insights gained from this technique will shed light on important challenges of interfaces in all-solid-state energy storage and conversion systems and facilitate improved engineering of devices operated far from equilibrium.« less

  13. Solid State Division progress report for period ending September 30, 1993

    SciTech Connect

    Green, P.H.; Hinton, L.W.

    1994-08-01

    This report covers research progress in the Solid State Division from April 1, 1992, to September 30, 1993. During this period, the division conducted a broad, interdisciplinary materials research program with emphasis on theoretical solid state physics, neutron scattering, synthesis and characterization of materials, ion beam and laser processing, and the structure of solids and surfaces. This research effort was enhanced by new capabilities in atomic-scale materials characterization, new emphasis on the synthesis and processing of materials, and increased partnering with industry and universities. The theoretical effort included a broad range of analytical studies, as well as a new emphasis on numerical simulation stimulated by advances in high-performance computing and by strong interest in related division experimental programs. Superconductivity research continued to advance on a broad front from fundamental mechanisms of high-temperature superconductivity to the development of new materials and processing techniques. The Neutron Scattering Program was characterized by a strong scientific user program and growing diversity represented by new initiatives in complex fluids and residual stress. The national emphasis on materials synthesis and processing was mirrored in division research programs in thin-film processing, surface modification, and crystal growth. Research on advanced processing techniques such as laser ablation, ion implantation, and plasma processing was complemented by strong programs in the characterization of materials and surfaces including ultrahigh resolution scanning transmission electron microscopy, atomic-resolution chemical analysis, synchrotron x-ray research, and scanning tunneling microscopy.

  14. Multi-Faceted Scientific Strategies Toward Better Solid-State Lighting of Phosphorescent OLEDs

    SciTech Connect

    Mohammad Omary; Bruce Gnade; Qi Wang; Oussama Elbjeirami; Chi Yang; Nigel Shepherd; Huiping Jia; Manuel Quevedo; Husam Alshareef; Minghang Li; Ming-Te Lin; Wei-Hsuan Chen; Iain Oswald; Pankaj Sinha; Ravi Arvapally; Usha Kaipa; John Determan; Sreekar Marpu; Roy McDougald; Gustavo Garza; Jason Halbert; Unnat Bhansali; Michael Perez

    2010-08-31

    This project has advanced solid-state lighting (SSL) by utilizing new phosphorescent systems for use in organic light-emitting diodes (OLEDs). The technical approach was two-fold: a) Targeted synthesis and screening of emitters designed to exhibit phosphorescence with maximized brightness in the solid state; and b) Construction and optimizing the performance of monochromatic and white OLEDs from the best new emitters to improve performance metrics versus the state of the art. The phosphorescent systems were screened candidates among a large variety of recentlysynthesized and newly-designed molecular and macromolecular metal-organic phosphors. The emitters and devices have been optimized to maximize light emission and color metrics, improve the long-term durability of emitters and devices, and reduce the manufacturing cost both by simplifying the process flow and by seeking less expensive device components than common ones. The project succeeded in all these goals upon comparison of the best materials and devices investigated vs. the state of the art of the technology.

  15. Advanced concepts for high power RF generation using solid state materials

    SciTech Connect

    Fazio, M.V.; Erickson, G.A. [Los Alamos National Laboratory (United States)

    1999-05-01

    Traditionally, high power radio frequency and microwave energy have been generated using electron beam driven hard-vacuum tubes such as klystrons and magnetrons. High-power solid-state sources of RF have not been available. It is well known that a non-linear, dispersive system can convert a pulse into an array of solitons. Although this effect has been exploited in the optical field, using non-linear optical materials, little work has been done in the field of high voltage electronics. It is the goal of this work, which is just beginning, to develop sources of RF in the few hundreds of megahertz to gigahertz range with power levels in the hundreds of megawatts to the gigawatt level. To generate solitons a high voltage pulse is fed onto a transmission line that is periodically loaded with a non-linear ceramic dielectric in the paraelectric phase. The combination of the non-linearity and dispersion causes the pulse to break up into an array of solitons. A soliton-based system has several components: the solid state, high voltage, high current switch to provide the initial high voltage pulse; a shock line to decrease the rise time of the initial pulse to less than a few nanoseconds; and the soliton generating transmission line where the high power RF is generated when driven by the fast rising pulse from the shock line. The approach and progress to date will be described. {copyright} {ital 1999 American Institute of Physics.}

  16. Manhattan Project: Los Alamos Street Scene

    Office of Scientific and Technical Information (OSTI)

    LOS ALAMOS STREET SCENE Los Alamos (The Town) Resources > Photo Gallery Los Alamos street scene. Fuller Lodge and the "Big House" are visible in the distance (see below). Above is ...

  17. SSL Demonstration: Street Lighting, Kansas City, MO

    SciTech Connect

    2013-08-01

    GATEWAY program report brief summarizing an SSL street lighting demonstration at nine separate installations in Kansas City, MO.

  18. Working With Municipal Utilities

    Energy.gov [DOE]

    Better Buildings Residential Network Program Sustainability / Working with Utilities Peer Exchange Call: Working with Smaller Municipal Utilities, Call Slides and Summary, June 27, 2013.

  19. Municipal waste processing apparatus

    DOEpatents

    Mayberry, J.L.

    1988-04-13

    This invention relates to apparatus for processing municipal waste, and more particularly to vibrating mesh screen conveyor systems for removing grit, glass, and other noncombustible materials from dry municipal waste. Municipal waste must be properly processed and disposed of so that it does not create health risks to the community. Generally, municipal waste, which may be collected in garbage trucks, dumpsters, or the like, is deposited in processing areas such as landfills. Land and environmental controls imposed on landfill operators by governmental bodies have increased in recent years, however, making landfill disposal of solid waste materials more expensive. 6 figs.

  20. 2015 Wall Street Perspectives on SMRs Update | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    5 Wall Street Perspectives on SMRs Update 2015 Wall Street Perspectives on SMRs Update Summary briefing on the results of a September 2015 survey of Wall Street attitudes toward SMRs. 2015 Financial Survey: Nuclear Energy (415.36 KB) More Documents & Publications 2014 Wall Street Perspective on SMRs 2014 Wall Street Perspectives on SMRs - Report 2013 Wall Street Perspective on SMRs

  1. Epitaxial lift-off for solid-state cavity quantum electrodynamics

    SciTech Connect

    Greuter, Lukas; Najer, Daniel; Kuhlmann, Andreas V.; Starosielec, Sebastian; Warburton, Richard J.; Valentin, Sascha R.; Ludwig, Arne; Wieck, Andreas D.

    2015-08-21

    We demonstrate an approach to incorporate self-assembled quantum dots into a Fabry-Pérot-like microcavity. Thereby, a 3λ/4 GaAs layer containing quantum dots is epitaxially removed and attached by van der Waals bonding to one of the microcavity mirrors. We reach a finesse as high as 4100 with this configuration limited by the reflectivity of the dielectric mirrors and not by scattering at the semiconductor-mirror interface, demonstrating that the epitaxial lift-off procedure is a promising procedure for cavity quantum electrodynamics in the solid state. As a first step in this direction, we demonstrate a clear cavity-quantum dot interaction in the weak coupling regime with a Purcell factor in the order of 3. Estimations of the coupling strength via the Purcell factor suggest that we are close to the strong coupling regime.

  2. The Tenth Annual Solid-State Lighting R&D Workshop

    Office of Energy Efficiency and Renewable Energy (EERE)

    Nearly 250 researchers, manufacturers, and other industry insiders and observers gathered in Long Beach, CA, January 29–31, 2013, to participate in DOE's tenth annual Solid-State Lighting (SSL) R&D Workshop. DOE SSL Program Manager James Brodrick kicked off Day 1 by noting how far SSL has come in the past 10 years. Whereas in 2003 LEDs were just starting to gain a foothold in traffic signals and exit signs, today they're used for nearly every lighting application, and OLED niche products are gaining traction. Brodrick noted that despite the progress, there's still significant headroom, and urged attendees to explore ways to maximize efficacy, "not compared to what was, but compared to what is and what can be." He emphasized the present opportunity to push the boundaries with new approaches, product designs, form factors, and value-added features.

  3. High energy particle tracking using scintillating fibers and solid state photomultipliers

    SciTech Connect

    Petroff, M.D.; Atac, M.

    1989-02-01

    The Solid State Photomultiplier (SSPM) recently developed at the Rockwell International Science Center, coupled with fast scintillating fibers can have a rate capacity of 10/sup 8/ tracks per second per cm/sup 2/ of fiber cross-section in systems for tracking of high energy ionizing particles. Relative to other approaches the SSPM can provide substantial improvements in spatial and temporal tracking accuracy. Results of preliminary experiments with 0.255 x 0.255 mm/sup 2/ cross section step-index-of-refraction fibers exposed to electrons from a beta source are presented. The experiments involved pulse height analysis of SSPM photon detection pulses induced by coincident scintillations in two adjacent fibers traversed by the same electron. The data for two different scintillating fibers tested indicate that meter long fibers of this type, optimally coupled to SSPMs, will be effective in detecting minimum ionizing particles.

  4. High energy particle tracking using scintillating fibers and solid state photomultipliers

    SciTech Connect

    Petroff, M.D.; Atac, M.

    1989-01-01

    The Solid State Photomultiplier (SSPM) recently developed at the Rockwell International Science Center, coupled with fast scintillating fibers can have a rate capacity of 10/sup 8/ tracks per second per cm/sup 2/ of fiber cross section in systems for tracking of high energy ionizing particles. Relative to other approaches the SSPM can provide substantial improvements in spatial and temporal tracking accuracy. Results of preliminary experiments with 0.225 /times/ 0.225 mm/sup 2/ cross section step-index-of-refraction fiber exposed to electrons from a beta source are presented. The experiments involved pulse height analysis of SSPM photon detection pulses induced by coincident scintillations in two adjacent fibers traversed by the same electron. The data for two different scintillating fibers tested indicate that meter long fibers of this type, optimally coupled to SSPMs, will be effective in detecting minimum ionizing particles. 4 refs., 3 figs., 1 tab.

  5. Digital processing of solid state detector signals in pellet charge exchange measurements on LHD

    SciTech Connect

    Goncharov, P.R.; Ozaki, T.; Sudo, S.; Tamura, N.; Isobe, M.; Sasao, M.; Saida, T.; Krasilnikov, A.V.; Sergeev, V.Yu.

    2004-10-01

    Radially resolved measurements of the plasma ion distribution function by detecting charge exchange neutrals from an impurity pellet ablation cloud require a fast operating energy analyzer working at high count rates to build several spectra during the pellet flight. Currently a solid state detector in the pulse height analysis (PHA) mode is used for such measurements on the Large Helical Device. Traditional PHA techniques cannot provide the operating speed required for a good spatial resolution. An algorithm has been proposed based on digital processing of noisy data series containing charge-sensitive preamplifier signals with discontinuities corresponding to incident particles. The algorithm employs the modified Tikhonov regularization and the successive detection-estimation of signal increments at discontinuity points. Such an approach allows one to realize an ultrafast particle energy spectroscopy by taking advantage of detector/preamplifier capabilities without limiting the system throughput by subsequent electronics.

  6. Development of all-solid-state flash x-ray generator with photoconductive semiconductor switches

    SciTech Connect

    Xun, Ma; Jianjun, Deng; Hongwei, Liu; Jianqiang, Yuan; Jinfeng, Liu; Bing, Wei; Yanling, Qing; Wenhui, Han; Lingyun, Wang; Pin, Jiang; Hongtao, Li

    2014-09-15

    A compact, low-jitter, and high repetitive rate all-solid-state flash x-ray generator making use of photo conductive semiconductor switches was developed recently for the diagnostic purpose of some hydrokinetical experiments. The generator consisted of twelve stages of Blumlein pulse forming networks, and an industrial cold cathode diode was used to generate intense x-ray radiations with photon energy up to 220 keV. Test experiments showed that the generator could produce >1 kA electron beam currents and x-ray pulses with ∼40 ns duration under 100 Hz repetitive rates at least (limited by the triggering laser on hand), also found was that the delay time of the cathode explosive emission is crucial to the energy transfer efficiency of the whole system. In addition, factors affecting the diode impedance, how the switching synchronization and diode impedance determining the allowable operation voltage were discussed.

  7. Harsh-Environment Solid-State Gamma Detector for Down-hole Gas and Oil Exploration

    SciTech Connect

    Peter Sandvik; Stanislav Soloviev; Emad Andarawis; Ho-Young Cha; Jim Rose; Kevin Durocher; Robert Lyons; Bob Pieciuk; Jim Williams; David O'Connor

    2007-08-10

    The goal of this program was to develop a revolutionary solid-state gamma-ray detector suitable for use in down-hole gas and oil exploration. This advanced detector would employ wide-bandgap semiconductor technology to extend the gamma sensor's temperature capability up to 200 C as well as extended reliability, which significantly exceeds current designs based on photomultiplier tubes. In Phase II, project tasks were focused on optimization of the final APD design, growing and characterizing the full scintillator crystals of the selected composition, arranging the APD device packaging, developing the needed optical coupling between scintillator and APD, and characterizing the combined elements as a full detector system preparing for commercialization. What follows is a summary report from the second 18-month phase of this program.

  8. Bayesian Models for Life Prediction and Fault-Mode Classification in Solid State Lamps

    SciTech Connect

    Lall, Pradeep; Wei, Junchao; Sakalaukus, Peter

    2015-04-19

    A new method has been developed for assessment of the onset of degradation in solid state luminaires to classifY failure mechanisms by using metrics beyond lumen degradation that are currently used for identification of failure. Luminous Flux output, Correlated Color Temperature Data on Philips LED Lamps has been gathered under 85°C/85%RH till lamp failure. The acquired data has been used in conjunction with Bayesian Probabilistic Models to identifY luminaires with onset of degradation much prior to failure through identification of decision boundaries between lamps with accrued damage and lamps beyond the failure threshold in the feature space. In addition luminaires with different failure modes have been classified separately from healthy pristine luminaires. It is expected that, the new test technique will allow the development of failure distributions without testing till L 70 life for the manifestation of failure.

  9. Low-temperature synthesis of actinide tetraborides by solid-state metathesis reactions

    DOEpatents

    Lupinetti, Anthony J.; Garcia, Eduardo; Abney, Kent D.

    2004-12-14

    The synthesis of actinide tetraborides including uranium tetraboride (UB.sub.4), plutonium tetraboride (PuB.sub.4) and thorium tetraboride (ThB.sub.4) by a solid-state metathesis reaction are demonstrated. The present method significantly lowers the temperature required to .ltoreq.850.degree. C. As an example, when UCl.sub.4 is reacted with an excess of MgB.sub.2, at 850.degree. C., crystalline UB.sub.4 is formed. Powder X-ray diffraction and ICP-AES data support the reduction of UCl.sub.3 as the initial step in the reaction. The UB.sub.4 product is purified by washing water and drying.

  10. Analysis of lasers as a solution to efficiency droop in solid-state lighting

    SciTech Connect

    Chow, Weng W.; Crawford, Mary H.

    2015-10-06

    This letter analyzes the proposal to mitigate the efficiency droop in solid-state light emitters by replacing InGaN light-emitting diodes (LEDs) with lasers. The argument in favor of this approach is that carrier-population clamping after the onset of lasing limits carrier loss to that at threshold, while stimulated emission continues to grow with injection current. A fully quantized (carriers and light) theory that is applicable to LEDs and lasers (above and below threshold) is used to obtain a quantitative evaluation. The results confirm the potential advantage of higher laser output power and efficiency above lasing threshold, while also indicating disadvantages including low efficiency prior to lasing onset, sensitivity of lasing threshold to temperature, and the effects of catastrophic laser failure. As a result, a solution to some of these concerns is suggested that takes advantage of recent developments in nanolasers.

  11. Solid-state NMR studies of proteins immobilized on inorganic surfaces

    SciTech Connect

    Shaw, Wendy J.

    2014-10-29

    Solid state NMR is the primary tool for studying the quantitative, site-specific structure, orientation, and dynamics of biomineralization proteins under biologically relevant conditions. Two calcium phosphate proteins, statherin and leucine rich amelogenin protein (LRAP), have been studied in depth and have different features, challenging our ability to extract design principles. More recent studies of the significantly larger full-length amelogenin represent a challenging but necessary step to ultimately investigate the full diversity of biomineralization proteins. Interactions of amino acids and silaffin peptide with silica are also being studied, along with qualitative studies of proteins interacting with calcium carbonate. Dipolar recoupling techniques have formed the core of the quantitative studies, yet, the need for isolated spin pairs makes this approach costly and time intensive. The use of multi-dimensional techniques is advancing, methodology which, despite its challenges with these difficult-to-study proteins, will continue to drive future advancements in this area.

  12. Computational studies of solid-state alkali conduction in rechargeable alkali-ion batteries

    DOE PAGES [OSTI]

    Deng, Zhi; Mo, Yifei; Ong, Shyue Ping

    2016-03-25

    The facile conduction of alkali ions in a crystal host is of crucial importance in rechargeable alkali-ion batteries, the dominant form of energy storage today. In this review, we provide a comprehensive survey of computational approaches to study solid-state alkali diffusion. We demonstrate how these methods have provided useful insights into the design of materials that form the main components of a rechargeable alkali-ion battery, namely the electrodes, superionic conductor solid electrolytes and interfaces. We will also provide a perspective on future challenges and directions. Here, the scope of this review includes the monovalent lithium- and sodium-ion chemistries that aremore » currently of the most commercial interest.« less

  13. Life Prediction and Classification of Failure Modes in Solid State Luminaires Using Bayesian Probabilistic Models

    SciTech Connect

    Lall, Pradeep; Wei, Junchao; Sakalaukus, Peter

    2014-05-27

    A new method has been developed for assessment of the onset of degradation in solid state luminaires to classify failure mechanisms by using metrics beyond lumen degradation that are currently used for identification of failure. Luminous Flux output, Correlated Color Temperature Data on Philips LED Lamps has been gathered under 85°C/85%RH till lamp failure. The acquired data has been used in conjunction with Bayesian Probabilistic Models to identify luminaires with onset of degradation much prior to failure through identification of decision boundaries between lamps with accrued damage and lamps beyond the failure threshold in the feature space. In addition luminaires with different failure modes have been classified separately from healthy pristine luminaires. It is expected that, the new test technique will allow the development of failure distributions without testing till L70 life for the manifestation of failure.

  14. PRINCIPLE DESIGN OF 300KHZ MECO RF KICKER BIPOLAR SOLID STATE MODULATOR.

    SciTech Connect

    ZHANG,W.; KOTLYAR,Y.

    2004-05-23

    A high speed, high repetition rate, bipolar solid-state high voltage modulator is under development at Brookhaven National Laboratory for Muon Electron Conversion (MECO) Experiment. The modulator will be used to drive a RF kicker consisting a pair of parallel deflecting plates. The principle design is based on the inductive-adder topology. This system requires a fast pulse rise and fall time about 20ns, a pulse width of 100ns, a pulse repetition rate of 300 kHz, and a 60 kHz sine-wave amplitude modulation. The fast high voltage MOSFETs are used as main switching devices.Different magnetic materials are being investigated for adder core magnets. The main circuit design, critical subsystems, and major technical issues will be discussed. The circuit simulation, components selection and evaluation, and preliminary test results will be presented.

  15. The Third Annual DOE Solid-State Lighting Manufacturing R&D Workshop

    Energy.gov [DOE]

    More than 250 lighting industry leaders from across the country, representing every link in the supply chain—from chip makers, to luminaire manufacturers, to material and equipment suppliers, to packagers, to luminaire testers, to the makers of testing equipment—gathered in Boston April 12–13, 2011, to share insights, ideas, and updates at the third annual Solid-State Lighting (SSL) Manufacturing R&D Workshop, hosted by DOE. The workshop is a key component of an initiative launched by DOE in 2009 to enhance the quality and lower the cost of SSL products through improvements in manufacturing equipment and processes and to foster a significant manufacturing role in the U.S. This year in Boston, attendees explored a wide range of related topics and focused on reexamining and updating the DOE Manufacturing R&D Roadmap.

  16. The Second Annual DOE Solid-State Lighting Manufacturing R&D Workshop

    Office of Energy Efficiency and Renewable Energy (EERE)

    More than 250 industry leaders from all corners of the supply chain – including chip makers, luminaire manufacturers, material and equipment suppliers, packagers, luminaire testers, and makers of testing equipment – gathered in San Jose, CA, April 21-22, 2010, to share insights, ideas, and updates at the second annual Solid-State Lighting (SSL) Manufacturing R&D Workshop, hosted by DOE. This workshop is a key part of an initiative launched by DOE in 2009 to enhance the quality and lower the cost of SSL products through improvements in manufacturing equipment and processes and to foster a significant manufacturing role in the U.S. This year in San Jose, attendees explored a wide range of related topics and focused on reexamining and updating the DOE Manufacturing R&D Roadmap.

  17. Technical Report (Final): Development of Solid State Reagents for Preparing Radiolabeled Imaging Agents

    SciTech Connect

    Kabalka, George W

    2011-05-20

    The goal of this research was on the development of new, rapid, and efficient synthetic methods for incorporating short-lived radionuclides into agents of use in measuring dynamic processes. The initial project period (Year 1) was focused on the preparation of stable, solid state precursors that could be used to efficiently incorporate short-lived radioisotopes into small molecules of use in biological applications (environmental, plant, and animal). The investigation included development and evaluation of new methods for preparing carbon-carbon and carbon-halogen bonds for use in constructing the substrates to be radiolabeled. The second phase (Year 2) was focused on developing isotope incorporation techniques using the stable, boronated polymeric precursors. The final phase (Year 3), was focused on the preparation of specific radiolabeled agents and evaluation of their biodistribution using micro-PET and micro-SPECT. In addition, we began the development of a new series of polymeric borane reagents based on polyethylene glycol backbones.

  18. Natural abundance 14N and 15N solid-state NMR of pharmaceuticals and their polymorphs

    DOE PAGES [OSTI]

    Veinberg, Stanislav L.; Johnston, Karen E.; Jaroszewicz, Michael J.; Kispal, Brianna M.; Mireault, Christopher R.; Kobayashi, Takeshi; Pruski, Marek; Schurko, Robert W.

    2016-06-08

    14N ultra-wideline (UW), 1H{15N} indirectly-detected HETCOR (idHETCOR) and 15N dynamic nuclear polarization (DNP) solid-state NMR (SSNMR) experiments, in combination with plane-wave density functional theory (DFT) calculations of 14N EFG tensors, were utilized to characterize a series of nitrogen-containing active pharmaceutical ingredients (APIs), including HCl salts of scopolamine, alprenolol, isoprenaline, acebutolol, dibucaine, nicardipine, and ranitidine. Here, a case study applying these methods for the differentiation of polymorphs of bupivacaine HCl is also presented. All experiments were conducted upon samples with naturally-abundant nitrogen isotopes. For most of the APIs, it was possible to acquire frequency-stepped UW 14N SSNMR spectra of stationarymore » samples, which display powder patterns corresponding to pseudo-tetrahedral (i.e., RR'R"NH+ and RR'NH2+) or other (i.e., RNH2 and RNO2) nitrogen environments.« less

  19. The Eleventh Annual Solid-State Lighting R&D Workshop

    Energy.gov [DOE]

    Two hundred researchers, manufacturers, and other industry insiders and observers gathered in Tampa, FL, January 28–30, 2014, to participate in DOE's 11th annual Solid-State Lighting (SSL) R&D Workshop. DOE SSL Program Manager James Brodrick kicked off Day 1 by reminding attendees that it takes time to achieve market adoption, and that "we're still early in the game." He emphasized that the true value of SSL has yet to be "mined" by the industry, and pointed out that the technology has the potential to be far more than a commodity in the old lighting paradigm. Brodrick predicted that SSL's value-added features will drive adoption, and noted that smart-lighting options can significantly increase the energy savings.

  20. Quasi-optical solid-state power combining for millimeter-wave active seeker applications

    SciTech Connect

    Halladay, R.H.; Terrill, S.D.; Bowling, D.R.; Gagnon, D.R. U.S. Navy, Naval Air Warfare Center, China Lake, CA )

    1992-05-01

    Consideration is given to quasi-optical power combining techniques, state-of-the-art demonstrated performance, and system issues as they apply to endoatmospheric homing seeker insertion. Quasi-optical power combining is based on combining microwave and millimeter-wave solid-state device power in space through the use of antennas and lenses. It is concluded that quasi-optical power combining meets the severe electrical requirements and packaging constraints of active MMW seekers for endoatmospheric hit-to-kill missiles. The approach provides the possibility of wafer-scale integration of major components for low cost production and offers high reliability. Critical issues include thermal loading and system integration, which must be resolved before the quasi-optical power combining technology will be applied to an active MMW seeker. 18 refs.

  1. Analysis of lasers as a solution to efficiency droop in solid-state lighting

    DOE PAGES [OSTI]

    Chow, Weng W.; Crawford, Mary H.

    2015-10-06

    This letter analyzes the proposal to mitigate the efficiency droop in solid-state light emitters by replacing InGaN light-emitting diodes (LEDs) with lasers. The argument in favor of this approach is that carrier-population clamping after the onset of lasing limits carrier loss to that at threshold, while stimulated emission continues to grow with injection current. A fully quantized (carriers and light) theory that is applicable to LEDs and lasers (above and below threshold) is used to obtain a quantitative evaluation. The results confirm the potential advantage of higher laser output power and efficiency above lasing threshold, while also indicating disadvantages includingmore » low efficiency prior to lasing onset, sensitivity of lasing threshold to temperature, and the effects of catastrophic laser failure. As a result, a solution to some of these concerns is suggested that takes advantage of recent developments in nanolasers.« less

  2. Science and the Energy Security Challenge: The Example of Solid-State Lighting

    ScienceCinema

    Philips, Julia [Sandia

    2016-07-12

    Securing a viable, carbon neutral energy future for humankind will require an effort of gargantuan proportions. As outlined clearly in a series of workshops sponsored by the DOE Office of Basic Energy Sciences (http://www.sc.doe.gov/bes/reports/list.html), fundamental advances in scientific understanding are needed to broadly implement many of the technologies that are held out as promising options to meet future energy needs, ranging from solar energy, to nuclear energy, to approaches to clean combustion. Using solid state lighting based on inorganic materials as an example, I will discuss some recent results and new directions, emphasizing the multidisciplinary, team nature of the endeavor. I will also offer some thoughts about how to encourage translation of the science into attractive, widely available products – a significant challenge that cannot be ignored. This case study offers insight into approaches that are likely to be beneficial for addressing other aspects of the energy security challenge.

  3. Intracavity adaptive correction of a 10 kW, solid-state, heat-capacity laser.

    SciTech Connect

    LaFortune, K N; Hurd, R L; Johansson, E M; Dane, C B; Fochs, S N; Brase, J M

    2004-01-12

    The Solid-State, Heat-Capacity Laser (SSHCL), under development at Lawrence Livermore National Laboratory is a large aperture (100 cm{sup 2}), confocal, unstable resonator requiring near-diffraction-limited beam quality. There are two primary sources of the aberrations in the system: residual, static aberrations from the fabrication of the optical components and predictable, time-dependent, thermally-induced index gradients within the gain medium. A deformable mirror placed within the cavity is used to correct the aberrations that are sensed externally with a Shack-Hartmann wavefront sensor. Although it is more challenging than external correction, intracavity correction enables control of the mode growth within the resonator, resulting in the ability to correct a more aberrated system longer. The overall system design, measurement techniques and correction algorithms are discussed. Experimental results from initial correction of the static aberrations and dynamic correction of the time-dependent aberrations are presented.

  4. Solid state NMR and LVSEM studies on the hardening of latex modified tile mortar systems

    SciTech Connect

    Rottstegge, J.; Arnold, M.; Herschke, L.; Glasser, G.; Wilhelm, M.; Spiess, H.W. . E-mail: spiess@mpip-mainz.mpg.de; Hergeth, W.D.

    2005-12-15

    Construction mortars contain a broad variety of both inorganic and organic additives beside the cement powder. Here we present a study of tile mortar systems based on portland cement, quartz, methyl cellulose and different latex additives. As known, the methyl cellulose stabilizes the freshly prepared cement paste, the latex additive enhances final hydrophobicity, flexibility and adhesion. Measurements were performed by solid state nuclear magnetic resonance (NMR) and low voltage scanning electron microscopy (LVSEM) to probe the influence of the latex additives on the hydration, hardening and the final tile mortar properties. While solid state NMR enables monitoring of the bulk composition, scanning electron microscopy affords visualization of particles and textures with respect to their shape and the distribution of the different phases. Within the alkaline cement paste, the poly(vinyl acetate) (VAc)-based latex dispersions stabilized by poly(vinyl alcohol) (PVA) were found to be relatively stable against hydrolysis. The influence of the combined organic additives methyl cellulose, poly(vinyl alcohol) and latexes stabilized by poly(vinyl alcohol) on the final silicate structure of the cement hydration products is small. But even small amounts of additives result in an increased ratio of ettringite to monosulfate within the final hydrated tile mortar as monitored by {sup 27}Al NMR. The latex was found to be adsorbed to the inorganic surfaces, acting as glue to the inorganic components. For similar latex water interfaces built up by poly(vinyl alcohol), a variation in the latex polymer composition results in modified organic textures. In addition to the networks of the inorganic cement and of the latex, there is a weak network build up by thin polymer fibers, most probably originating from poly(vinyl alcohol). Besides the weak network, polymer fibers form well-ordered textures covering inorganic crystals such as portlandite.

  5. Physics of laser fusion. Volume IV. The future development of high-power solid-state laser systems

    SciTech Connect

    Emmett, J.L.; Krupke, W.F.; Trenholme, J.B.

    1982-11-01

    Solid state lasers, particularly neodymium glass systems, have undergone intensive development during the last decade. In this paper, we review solid state laser technology in the context of high-peak-power systems for inertial confinement fusion. Specifically addressed are five major factors: efficiency, wavelength flexibility, average power, system complexity, and cost; these factors today limit broader application of the technology. We conclude that each of these factors can be greatly improved within current fundamental physical limits. We further conclude that the systematic development of new solid state laser madia, both vitreous and crystalline, should ultimately permit the development of wavelength-flexible, very high average power systems with overall efficiencies in the range of 10 to 20%.

  6. Eversource- Municipal Smart Start Program

    Energy.gov [DOE]

    Eversource (previously Public Service of New Hampshire), an electric utility, offers the Smart Start Program to municipal customers. This program assists municipalities in reducing energy...

  7. PSNH- Municipal Smart Start Program

    Energy.gov [DOE]

    Public Service of New Hampshire (PSNH), an electric utility, offers the Smart Start Program to Municipal customers. This program assists municipalities in reducing energy consumption and electric...

  8. Microporous glass-polymer composite as a new material for solid-state dye lasers: I. Material properties

    SciTech Connect

    Aldag, H R; Pacheco, D P; Dolotov, S M; Ponomarenko, E P; Reznichenko, A V; Koldunov, M F; Kravchenko, Ya V; Manenkov, Aleksandr A; Roskova, G P; Tsekhomskaya, T S

    2000-11-30

    The mechanical, optical, and thermooptical properties of a microporous glass-polymer (MPG-P) composite used as a matrix for solid-state dye lasers are studied. It is shown that the composite has a high mechanical hardness, good transparency, excellent thermooptical parameters, and high laser damage resistance, and can be also readily doped with various dyes. The analysis of physical properties of the MPG-P composite showed its advantages over other solid matrices (bulk polymers and sol-gel glasses) for applications in efficient solid-state dye lasers. (lasers, active media)

  9. U. S. Department of Energy to Invest up to $20.6 Million for Solid-State

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Lighting Research and Development Projects | Department of Energy U. S. Department of Energy to Invest up to $20.6 Million for Solid-State Lighting Research and Development Projects U. S. Department of Energy to Invest up to $20.6 Million for Solid-State Lighting Research and Development Projects February 12, 2008 - 11:29am Addthis Funding to total $27.8 million with industry contribution The U.S. Department of Energy (DOE) today announced that DOE will provide up to $20.6 million for a

  10. Solid state NMR method development and studies of biological and biomimetic nanocomposites

    SciTech Connect

    Hu, Yanyan

    2011-01-01

    This thesis describes application and development of advanced solid-state nuclear magnetic resonance techniques for complex materials, in particular organic-inorganic nanocomposites and thermoelectric tellurides. The apatite-collagen interface, essential for understanding the biomineralization process in bone and engineering the interface for controlled bio-mimetic synthesis and optimized mechanical properties, is buried within the nanocomposite of bone. We used multinuclear solid-state NMR to study the composition and structure of the interface. Citrate has been identified as the main organic molecule strongly bound to the apatite surface with a density of 1/(2 nm)2, covering 1/6 of the total surface area in bovine bone. Citrate provides more carboxylate groups, one of the key functional groups found to affect apatite nucleation and growth, than all the non-collagenous proteins all together in bone; thus we propose that citrate stabilizes apatite crystals at a very small thickness of ~3 nm (4 unit cells) to increase bone fracture tolerance. The hypothesis has been confirmed in vitro by adding citrate in the bio-mimetic synthesis of polymerhydroxyapatite nanocomposites. The results have shown that the size of hydroxyapatite nanocrystals decreases as increasing citrate concentration. With citrate concentrations comparable to that in body fluids, similar-sized nanocrystals as in bone have been produced. Besides the dimensions of the apatite crystals, the composition of bone also affects its biofunctional and macroscopic mechanical properties; therefore, our team also extended its effort to enhance the inorganic portion in our bio-mimetic synthesis from originally 15 wt% to current 50 wt% compared to 65 wt% in bovine bone, by using Lysine-Leucine hydroxyapatite nucleating diblock co-polypeptide, which forms a gel at very low concentration. In this thesis, various advanced solid state NMR techniques have been employed to characterize nanocomposites

  11. 2014 Wall Street Perspectives on SMRs - Report | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    4 Wall Street Perspectives on SMRs - Report 2014 Wall Street Perspectives on SMRs - Report Summary of the results of a 2014 survey of Wall Street attitudes toward small modular reactors. View from Wall Street: Nuclear Energy and Small Modular Reactors (284.42 KB) More Documents & Publications 2013 Wall Street Perspective on SMRs 2014 Wall Street Perspective on SMRs 2015 Wall Street Perspectives on SMRs Update

  12. Solid-state syntheses and single-crystal characterizations of three tetravalent thorium and uranium silicates

    SciTech Connect

    Jin, Geng Bang Soderholm, L.

    2015-01-15

    Colorless crystals of ThSiO{sub 4} (huttonite) (1) and (Ca{sub 0.5}Na{sub 0.5}){sub 2}NaThSi{sub 8}O{sub 20} (2) have been synthesized by the solid-state reactions of ThO{sub 2}, CaSiO{sub 3}, and Na{sub 2}WO{sub 4} at 1073 K. Green crystals of (Ca{sub 0.5}Na{sub 0.5}){sub 2}NaUSi{sub 8}O{sub 20} (3) have been synthesized by the solid-state reactions of UO{sub 2}, CaSiO{sub 3}, and Na{sub 2}WO{sub 4} at 1003 K. All three compounds have been characterized by single-crystal X-ray diffraction. Compound 1 adopts a monazite-type three-dimensional condensed structure, which is built from edge- and corner-shared ThO{sub 9} polyhedra and SiO{sub 4} tetrahedra. Compounds 2 and 3 are isostructural and they crystallize in a steacyite-type structure. The structure consists of discrete pseudocubic [Si{sub 8}O{sub 20}]{sup 8−} polyanions, which are connected by An{sup 4+} cations into a three-dimensional framework. Each An atom coordinates to eight monodentate [Si{sub 8}O{sub 20}]{sup 8−} moieties in a square antiprismatic geometry. Na{sup +} and Ca{sup 2+} ions reside in the void within the framework. Raman spectra of 1, 2, and 3 were collected on single crystal samples. 1 displays more complex vibrational bands than thorite. Raman spectra of 2 and 3 are analogous with most of vibrational bands located at almost the same regions. - Graphical abstract: A Raman spectrum and crystal structures of (Ca{sub 0.5}Na{sub 0.5}){sub 2}NaAnSi{sub 8}O{sub 20} (An=Th, U), which contain pseudocubic [Si{sub 8}O{sub 20}]{sup 8−} polyanions and eight-coordinate An{sup 4+} cations. - Highlights: • Single crystal growth of three tetravalent actinide silicates from melts. • Single-crystal structures and Raman spectra of (Ca{sub 0.5}Na{sub 0.5}){sub 2}NaAnSi{sub 8}O{sub 20} (An=Th, U). • First report of Raman spectrum of huttonite on single crystal samples.

  13. Solid state phase equilibria and intermetallic compounds of the Al-Cr-Ho system

    SciTech Connect

    Pang, Mingjun; SAIC-GM-Wuling Automobile Co., Ltd., Liuzhou, Guangxi 545007 ; Zhan, Yongzhong; Du, Yong

    2013-02-15

    The solid state phase equilibria of the Al-Cr-Ho ternary system at 500 Degree-Sign C were experimentally investigated. The phase relations at 500 Degree-Sign C are governed by 14 three-phase regions, 29 two-phase regions and 15 single-phase regions. The existences of 10 binary compounds and 2 ternary phases have been confirmed. Al{sub 11}Cr{sub 2}, Al{sub 11}Cr{sub 4} and Al{sub 17}Ho{sub 2} were not found at 500 Degree-Sign C. Crystal structures of Al{sub 9}Cr{sub 4} and Al{sub 8}Cr{sub 4}Ho were determined by the Rietveld X-ray powder data refinement. Al{sub 9}Cr{sub 4} was found to exhibit cubic structure with space group I4-bar 3m (no. 217) and lattice parameters a=0.9107(5) nm. Al{sub 8}Cr{sub 4}Ho crystallizes in ThMn{sub 12} structure type with space group I4/mmm (no. 139) and lattice parameters a=0.8909(4) nm, c=0.5120(5) nm. It is concluded that the obtained Al{sub 4}Cr phase in this work should be {mu}-Al{sub 4}Cr by comparing with XRD pattern of the hexagonal {mu}-Al{sub 4}Mn compound. - Graphical abstract: The solid state phase equilibria of the Al-Cr-Ho ternary system at 500 Degree-Sign C. Highlights: Black-Right-Pointing-Pointer Al-Cr-Ho system has been investigated. Black-Right-Pointing-Pointer Al{sub 9}Cr{sub 4} has cubic structure with space group I4-bar 3m. Black-Right-Pointing-Pointer Al{sub 8}Cr{sub 4}Ho crystallizes in ThMn{sub 12} type with space group I4/mmm. Black-Right-Pointing-Pointer Al{sub 4}Cr phase is {mu}-type at 500 Degree-Sign C.

  14. Dose response of selected solid state detectors in applied homogeneous transverse and longitudinal magnetic fields

    SciTech Connect

    Reynolds, M.; Fallone, B. G.; Rathee, S.

    2014-09-15

    Purpose: MR-Linac devices under development worldwide will require standard calibration, commissioning, and quality assurance. Solid state radiation detectors are often used for dose profiles and percent depth dose measurements. The dose response of selected solid state detectors is therefore evaluated in varying transverse and longitudinal magnetic fields for this purpose. Methods: The Monte Carlo code PENELOPE was used to model irradiation of a PTW 60003 diamond detector and IBA PFD diode detector in the presence of a magnetic field. The field itself was varied in strength, and oriented both transversely and longitudinally with respect to the incident photon beam. The long axis of the detectors was oriented either parallel or perpendicular to the photon beam. The dose to the active volume of each detector in air was scored, and its ratio to dose with zero magnetic field strength was determined as the dose response in magnetic field. Measurements at low fields for both detectors in transverse magnetic fields were taken to evaluate the accuracy of the simulations. Additional simulations were performed in a water phantom to obtain few representative points for beam profile and percent depth dose measurements. Results: Simulations show significant dose response as a function of magnetic field in transverse field geometries. This response can be near 20% at 1.5 T, and it is highly dependent on the detectors relative orientation to the magnetic field, the energy of the photon beam, and detector composition. Measurements at low transverse magnetic fields verify the simulations for both detectors in their relative orientations to radiation beam. Longitudinal magnetic fields, in contrast, show little dose response, rising slowly with magnetic field, and reaching 0.5%1% at 1.5 T regardless of detector orientation. Water tank and in air simulation results were the same within simulation uncertainty where lateral electronic equilibrium is present and expectedly differed

  15. Restoring Detroit's Street Lighting System

    SciTech Connect

    Kinzey, Bruce R.

    2015-10-21

    The City of Detroit is undertaking a comprehensive restoration of its street lighting system that includes transitioning the existing high-pressure sodium (HPS) sources to light-emitting diode (LED). Detroit’s well-publicized financial troubles over the last several years have added many hurdles and constraints to this process. Strategies to overcome these issues have largely been successful, but have also brought some mixed results. This document provides an objective review of the circumstances surrounding the system restoration, the processes undertaken and decisions made, and the results so far.

  16. California Street Biomass Facility | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    2006 Database Retrieved from "http:en.openei.orgwindex.php?titleCaliforniaStreetBiomassFacility&oldid397263" Feedback Contact needs updating Image needs updating...

  17. LED Street Lighting Conversion Workshop Presentations

    Office of Energy Efficiency and Renewable Energy (EERE)

    This page provides links to the presentations given at the National League of Cities Mobile Workshop, LED Street Lighting Conversion: Saving Your Community Money, While Improving Public Safety,...

  18. America Saves! Energizing Main Street Small Businesses

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Energizing Main Street Small Businesses 2014 Building Technologies Office Peer Review Mark Huppert mhuppert@savingplaces.org Ric Cochrane rcochrane@savingplaces.org National ...

  19. MOCVD synthesis of group III-nitride heterostructure nanowires for solid-state lighting.

    SciTech Connect

    Wang, George T.; Creighton, James Randall; Talin, Albert Alec

    2006-11-01

    Solid-state lighting (SSL) technologies, based on semiconductor light emitting devices, have the potential to reduce worldwide electricity consumption by more than 10%, which could significantly reduce U.S. dependence on imported energy and improve energy security. The III-nitride (AlGaInN) materials system forms the foundation for white SSL and could cover a wide spectral range from the deep UV to the infrared. For this LDRD program, we have investigated the synthesis of single-crystalline III-nitride nanowires and heterostructure nanowires, which may possess unique optoelectronic properties. These novel structures could ultimately lead to the development of novel and highly efficient SSL nanodevice applications. GaN and III-nitride core-shell heterostructure nanowires were successfully synthesized by metal organic chemical vapor deposition (MOCVD) on two-inch wafer substrates. The effect of process conditions on nanowire growth was investigated, and characterization of the structural, optical, and electrical properties of the nanowires was also performed.

  20. The Effect of Cellulose Crystal Structure and Solid-State Morphology on the Activity of Cellulases

    SciTech Connect

    Stipanovic, Arthur J

    2014-11-17

    Consistent with the US-DOE and USDA “Roadmap” objective of producing ethanol and chemicals from cellulosic feedstocks more efficiently, a three year research project entitled “The Effect of Cellulose Crystal Structure and Solid-State Morphology on the Activity of Cellulases” was initiated in early 2003 under DOE sponsorship (Project Number DE-FG02-02ER15356). A three year continuation was awarded in June 2005 for the period September 15, 2005 through September 14, 2008. The original goal of this project was to determine the effect of cellulose crystal structure, including allomorphic crystalline form (Cellulose I, II, III, IV and sub-allomorphs), relative degree of crystallinity and crystallite size, on the activity of different types of genetically engineered cellulase enzymes to provide insight into the mechanism and kinetics of cellulose digestion by “pure” enzymes rather than complex mixtures. We expected that such information would ultimately help enhance the accessibility of cellulose to enzymatic conversion processes thereby creating a more cost-effective commercial process yielding sugars for fermentation into ethanol and other chemical products. Perhaps the most significant finding of the initial project phase was that conversion of native bacterial cellulose (Cellulose I; BC-I) to the Cellulose II (BC-II) crystal form by aqueous NaOH “pretreatment” provided an increase in cellulase conversion rate approaching 2-4 fold depending on enzyme concentration and temperature, even when initial % crystallinity values were similar for both allomorphs.

  1. NANOSTRUCTURED HIGH PERFORMANCE ULTRAVIOLET AND BLUE LIGHT EMITTING DIODES FOR SOLID STATE LIGHTING

    SciTech Connect

    Arto V. Nurmikko; Jung Han

    2004-10-01

    We report on research results in this project which synergize advanced material science approaches with fundamental optical physics concepts pertaining to light-matter interaction, with the goal of solving seminal problems for the development of very high performance light emitting diodes (LEDs) in the blue and near ultraviolet for Solid State Lighting applications. Accomplishments in the first 12 month contract period include (1) new means of synthesizing zero- and one-dimensional GaN nanostructures, (2) establishment of the building blocks for making GaN-based microcavity devices, and (3) demonstration of top-down approach to nano-scale photonic devices for enhanced spontaneous emission and light extraction. These include a demonstration of eight-fold enhancement of the external emission efficiency in new InGaN QW photonic crystal structures. The body of results is presented in this report shows how a solid foundation has been laid, with several noticeable accomplishments, for innovative research, consistent with the stated milestones.

  2. Reliability and Failure Modes of Solid-State Lighting Electrical Drivers Subjected to Accelerated Aging

    DOE PAGES [OSTI]

    Lall, Pradeep; Sakalaukus, Peter; Davis, Lynn

    2015-02-19

    An investigation of an off-the-shelf solid-state lighting device with the primary focus on the accompanied light-emitting diode (LED) electrical driver (ED) has been conducted. A set of 10 EDs were exposed to temperature humidity life testing of 85% RH and 85 C (85/85) without an electrical bias per the JEDEC standard JESD22-A101C in order to accelerate the ingress of moisture into the aluminum electrolytic capacitor (AEC) and the EDs in order to assess the reliability of the LED drivers for harsh environment applications. The capacitance and equivalent series resistance for each AEC inside the ED were measured using a handheldmore » LCR meter as possible leading indications of failure. The photometric quantities of a single pristine light engine were monitored in order to investigate the interaction between the light engine and the EDs. These parameters were used in assessing the overall reliability of the EDs. In addition, a comparative analysis has been conducted between the 85/85 accelerated test data and a previously published high-temperature storage life accelerated test of 135°C. The results of the 85/85 acceleration test and the comparative analysis are presented in this paper.« less

  3. Harmonia: A Globally Coordinated Garbage Collector for Arrays of Solid-state Drives

    SciTech Connect

    Kim, Youngjae; Oral, H Sarp; Shipman, Galen M; Lee, Junghee; Dillow, David A; Wang, Feiyi

    2011-01-01

    Solid-State Drives (SSDs) offer significant performance improvements over hard disk drives (HDD) on a number of workloads. The frequency of garbage collection (GC) activity is directly correlated with the pattern, frequency, and volume of write requests, and scheduling of GC is controlled by logic internal to the SSD. SSDs can exhibit significant performance degradations when garbage collection (GC) conflicts with an ongoing I/O request stream. When using SSDs in a RAID array, the lack of coordination of the local GC processes amplifies these performance degradations. No RAID controller or SSD available today has the technology to overcome this limitation. This paper presents Harmonia, a Global Garbage Collection (GGC) mechanism to improve response times and reduce performance variability for a RAID array of SSDs. Our proposal includes a high-level design of SSD-aware RAID controller and GGC-capable SSD devices, as well as algorithms to coordinate the global GC cycles. Our simulations show that this design improves response time and reduces performance variability for a wide variety of enterprise workloads. For bursty, write dominant workloads response time was improved by 69% while performance variability was reduced by 71%.

  4. Comparing Coordinated Garbage Collection Algorithms for Arrays of Solid-state Drives

    SciTech Connect

    Lee, Junghee; Kim, Youngjae; Oral, H Sarp; Shipman, Galen M; Dillow, David A; Wang, Feiyi

    2012-01-01

    Solid-State Drives (SSDs) offer significant performance improvements over hard disk drives (HDD) on a number of workloads. The frequency of garbage collection (GC) activity is directly correlated with the pattern, frequency, and volume of write requests, and scheduling of GC is controlled by logic internal to the SSD. SSDs can exhibit significant performance degradations when garbage collection (GC) conflicts with an ongoing I/O request stream. When using SSDs in a RAID array, the lack of coordination of the local GC processes amplifies these performance degradations. No RAID controller or SSD available today has the technology to overcome this limitation. In our previous work, we presented a Global Garbage Collection (GGC) mechanism to improve response times and reduce performance variability for a RAID array of SSDs. A coordination method is employed so that GCs in the array can run at the same time. The coordination can exhibit substantial performance improvement. In this paper, we explore various GC coordination algorithms. We develop reactive and proactive GC coordination algorithms and evaluate their I/O performance and block erase counts for various workloads. We show that a proactive GC coordination algorithm can improve the I/O response times by up to 9% further and increase the lifetime of SSDs by reducing the number of block erase counts by up to 79% compared to a reactive algorithm.

  5. Reliability and Failure Modes of Solid-State Lighting Electrical Drivers Subjected to Accelerated Aging

    SciTech Connect

    Lall, Pradeep; Sakalaukus, Peter; Davis, Lynn

    2015-02-19

    An investigation of an off-the-shelf solid-state lighting device with the primary focus on the accompanied light-emitting diode (LED) electrical driver (ED) has been conducted. A set of 10 EDs were exposed to temperature humidity life testing of 85% RH and 85 C (85/85) without an electrical bias per the JEDEC standard JESD22-A101C in order to accelerate the ingress of moisture into the aluminum electrolytic capacitor (AEC) and the EDs in order to assess the reliability of the LED drivers for harsh environment applications. The capacitance and equivalent series resistance for each AEC inside the ED were measured using a handheld LCR meter as possible leading indications of failure. The photometric quantities of a single pristine light engine were monitored in order to investigate the interaction between the light engine and the EDs. These parameters were used in assessing the overall reliability of the EDs. In addition, a comparative analysis has been conducted between the 85/85 accelerated test data and a previously published high-temperature storage life accelerated test of 135°C. The results of the 85/85 acceleration test and the comparative analysis are presented in this paper.

  6. Comparison among Magnus/Floquet/Fer expansion schemes in solid-state NMR

    SciTech Connect

    Takegoshi, K. Miyazawa, Norihiro; Sharma, Kshama; Madhu, P. K.

    2015-04-07

    We here revisit expansion schemes used in nuclear magnetic resonance (NMR) for the calculation of effective Hamiltonians and propagators, namely, Magnus, Floquet, and Fer expansions. While all the expansion schemes are powerful methods there are subtle differences among them. To understand the differences, we performed explicit calculation for heteronuclear dipolar decoupling, cross-polarization, and rotary-resonance experiments in solid-state NMR. As the propagator from the Fer expansion takes the form of a product of sub-propagators, it enables us to appreciate effects of time-evolution under Hamiltonians with different orders separately. While 0th-order average Hamiltonian is the same for the three expansion schemes with the three cases examined, there is a case that the 2nd-order term for the Magnus/Floquet expansion is different from that obtained with the Fer expansion. The difference arises due to the separation of the 0th-order term in the Fer expansion. The separation enables us to appreciate time-evolution under the 0th-order average Hamiltonian, however, for that purpose, we use a so-called left-running Fer expansion. Comparison between the left-running Fer expansion and the Magnus expansion indicates that the sign of the odd orders in Magnus may better be reversed if one would like to consider its effect in order.

  7. A unified heteronuclear decoupling strategy for magic-angle-spinning solid-state NMR spectroscopy

    SciTech Connect

    Equbal, Asif; Bjerring, Morten; Nielsen, Niels Chr. E-mail: ncn@inano.au.dk; Madhu, P. K. E-mail: ncn@inano.au.dk

    2015-05-14

    A unified strategy of two-pulse based heteronuclear decoupling for solid-state magic-angle spinning nuclear magnetic resonance is presented. The analysis presented here shows that different decoupling sequences like two-pulse phase-modulation (TPPM), X-inverse-X (XiX), and finite pulse refocused continuous wave (rCW{sup A}) are basically specific solutions of a more generalized decoupling scheme which incorporates the concept of time-modulation along with phase-modulation. A plethora of other good decoupling conditions apart from the standard, TPPM, XiX, and rCW{sup A} decoupling conditions are available from the unified decoupling approach. The importance of combined time- and phase-modulation in order to achieve the best decoupling conditions is delineated. The consequences of different indirect dipolar interactions arising from cross terms comprising of heteronuclear and homonuclear dipolar coupling terms and also those between heteronuclear dipolar coupling and chemical-shift anisotropy terms are presented in order to unfold the effects of anisotropic interactions under different decoupling conditions. Extensive numerical simulation results are corroborated with experiments on standard amino acids.

  8. Design of defect spins in piezoelectric aluminum nitride for solid-state hybrid quantum technologies

    DOE PAGES [OSTI]

    Seo, Hosung; Govoni, Marco; Galli, Giulia

    2016-02-15

    Spin defects in wide-band gap semiconductors are promising systems for the realization of quantum bits, or qubits, in solid-state environments. To date, defect qubits have only been realized in materials with strong covalent bonds. Here, we introduce a strain-driven scheme to rationally design defect spins in functional ionic crystals, which may operate as potential qubits. In particular, using a combination of state-of-the-art ab-initio calculations based on hybrid density functional and many-body perturbation theory, we predicted that the negatively charged nitrogen vacancy center in piezoelectric aluminum nitride exhibits spin-triplet ground states under realistic uni- and bi-axial strain conditions; such states maymore » be harnessed for the realization of qubits. As a result, the strain-driven strategy adopted here can be readily extended to a wide range of point defects in other wide-band gap semiconductors, paving the way to controlling the spin properties of defects in ionic systems for potential spintronic technologies.« less

  9. Solid State Sciences Committee (SSSC). Technical progress report, May 1, 1992--April 30, 1993

    SciTech Connect

    Taylor, R.

    1995-04-01

    The Solid State Sciences Committee (SSSC) of the National Research Council (NRC) is charged with monitoring the health of the field of materials science in the United States. Accordingly, the Committee identifies and examines both broad and specific issues affecting the field. Regular meetings, teleconferences, briefings from agencies and the scientific community, the formation of study panels to prepare reports, and special forums are among the mechanisms used by the SSSC to meet its charge. This progress report presents a review of SSSC activities from May 1, 1992 through April 30, 1993. The details of prior activities are discussed in earlier reports. During the above period, the SSSC has continued to track and participate, when requested, in the development of a Federal initiative on advanced materials and processing. Specifically, the SSSC is presently planning the 1993 SSSC Forum (to be cosponsored with the National Materials Advisory Board (NMAB) and the Washington Materials Forum (WMF)). The thrust will be to highlight the Federal Advanced Materials and Processing Program (AMPP). In keeping with its charge to identify and highlight specific areas for scientific and technological opportunities, the SSSC continued to oversee the conduct of a study on biomolecular materials. Preliminary plans also were developed for a study on neutron science, however, further activity is pending. A proposed study on ultrasmall devices has been expanded and absorbed into a broader context; the BPA, with SSSC participation, is preparing to hold a program initiation meeting to evaluate the need for a study on information technology and hardware.

  10. Solid State Energy Conversion Alliance (SECA) Solid Oxide Fuel Cell Program

    SciTech Connect

    Nguyen Minh

    2006-07-31

    This report summarizes the work performed for Phase I (October 2001 - August 2006) under Cooperative Agreement DE-FC26-01NT41245 for the U. S. Department of Energy, National Energy Technology Laboratory (DOE/NETL) entitled 'Solid State Energy Conversion Alliance (SECA) Solid Oxide Fuel Cell Program'. The program focuses on the development of a low-cost, high-performance 3-to-10-kW solid oxide fuel cell (SOFC) system suitable for a broad spectrum of power-generation applications. During Phase I of the program significant progress has been made in the area of SOFC technology. A high-efficiency low-cost system was designed and supporting technology developed such as fuel processing, controls, thermal management, and power electronics. Phase I culminated in the successful demonstration of a prototype system that achieved a peak efficiency of 41%, a high-volume cost of $724/kW, a peak power of 5.4 kW, and a degradation rate of 1.8% per 500 hours. . An improved prototype system was designed, assembled, and delivered to DOE/NETL at the end of the program. This prototype achieved an extraordinary peak efficiency of 49.6%.

  11. Technical progress report to the Department of Energy on the Solid State Sciences Committee (SSSC)

    SciTech Connect

    Not Available

    1995-02-01

    The Solid State Sciences Committee (SSSC) of the National Research Council (NRC) is charged with monitoring the health of the field of materials science in the United States. Accordingly, the Committee identifies and examines both broad and specific issues affecting the field. Regular meetings, teleconferences, briefings from agencies and the scientific community, the formation of study panels to prepare reports, and special forums are among the mechanisms used by the SSSC to meet its charge. This progress report presents a review of SSSC activities from May 1, 1992 through April 30, 1993. The details of prior activities are discussed in earlier reports. During the above period, the SSSC has continued to track and participate, when requested, in the development of a Federal initiative on advanced materials and processing. Specifically, the SSSC is presently planning the 1993 SSSC Forum (to be cosponsored with the National Materials Advisory Board (NMAB) and the Washington Materials Forum (WNM)). The thrust will be to highlight the Federal Advanced Materials and Processing Program (AMPP). In keeping with its charge to identify and highlight specific areas for scientific and technological opportunities, the SSSC continued to oversee the conduct of a study on biomolecular materials. Preliminary plans also have been developed for studies on neutron scattering science, on ultrasmall devices, and on molecular routes to materials.

  12. Nanostructured High Performance Ultraviolet and Blue Light Emitting Diodes for Solid State Lighting

    SciTech Connect

    Arto V. Nurmikko; Jung Han

    2005-09-30

    We report on research results in this project which synergize advanced material science approaches with fundamental optical physics concepts pertaining to light-matter interaction, with the goal of solving seminal problems for the development of very high performance light emitting diodes (LEDs) in the blue and near ultraviolet for Solid State Lighting applications. Accomplishments in the second 12 month contract period include (i) new means of synthesizing AlGaN and InN quantum dots by droplet heteroepitaxy, (ii) synthesis of AlGaInN nanowires as building blocks for GaN-based microcavity devices, (iii) progress towards direct epitaxial alignment of the dense arrays of nanowires, (iv) observation and measurements of stimulated emission in dense InGaN nanopost arrays, (v) design and fabrication of InGaN photonic crystal emitters, and (vi) observation and measurements of enhanced fluorescence from coupled quantum dot and plasmonic nanostructures. The body of results is presented in this report shows how a solid foundation has been laid, with several noticeable accomplishments, for innovative research, consistent with the stated milestones.

  13. Multifunctional (NOx/CO/O2) Solid-State Sensors For Coal Combustion Control

    SciTech Connect

    Eric D. Wachsman

    2006-12-31

    Solid-state sensors were developed for coal combustion control and the understanding of sensing mechanisms was advanced. Several semiconducting metal oxides (p-type and n-type) were used to fabricate sensor electrodes. The adsorption/desorption characteristics and catalytic activities of these materials were measured with Temperature Programmed Desorption (TPD) and Temperature Programmed Reaction (TPR) experiments. The sensitivity, selectivity, and response time of these sensors were measured for steps of NO, NO{sub 2}, CO, CO{sub 2}, O{sub 2}, and H{sub 2}O vapor in simple N{sub 2}-balanced and multi-component, simulated combustion-exhaust streams. The role of electrode microstructure and fabrication parameters on sensing performance was investigated. Proof for the proposed sensing mechanism, Differential Electrode Equilibria, was demonstrated by relating the sensing behavior (sensitivities and cross-sensitivities) of the various electrode materials to their gas adsorption/desorption behaviors and catalytic activities. A multifunctional sensor array consisting of three sensing electrodes and an integrated heater and temperature sensors was fabricated with tape-casting and screen-printing and its NO{sub x} sensing performance was measured. The multifunctional sensor demonstrated it was possible to measure NO{sub 2} independent of NO by locally heating one of the sensing electrodes. The sensor technology was licensed to Fuel FX International, Inc. Fuel FX has obtained investor funding and is developing prototype sensors as a first step in their commercialization strategy for this technology.

  14. Multi-Year Program Plan FY'09-FY'15 Solid-State Lighting Research and Development

    SciTech Connect

    2009-03-01

    President Obama's energy and environment agenda calls for deployment of 'the Cheapest, Cleanest, Fastest Energy Source - Energy Efficiency.' The Department of Energy's (DOE) Office of Energy Efficiency and Renewable Energy (EERE) plays a critical role in advancing the President's agenda by helping the United States advance toward an energy-efficient future. Lighting in the United States is projected to consume nearly 10 quads of primary energy by 2012.3 A nation-wide move toward solid-state lighting (SSL) for general illumination could save a total of 32.5 quads of primary energy between 2012 and 2027. No other lighting technology offers the DOE and our nation so much potential to save energy and enhance the quality of our built environment. The DOE has set forth the following mission statement for the SSL R&D Portfolio: Guided by a Government-industry partnership, the mission is to create a new, U.S.-led market for high-efficiency, general illumination products through the advancement of semiconductor technologies, to save energy, reduce costs and enhance the quality of the lighted environment.

  15. Flooded First Street at Y-12 Plant | Y-12 National Security Complex

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Flooded First Street at ... Flooded First Street at Y-12 Plant Vehicles negotiate flooded First Street at Y-12 Plant

  16. Municipal Energy Reduction Fund

    Energy.gov [DOE]

    In March 2010, the New Hampshire Community Development Finance Authority (CDFA) launched a revolving loan program to encourage the state’s municipal governments to invest in energy efficiency and...

  17. DOE Tour of Zero: The School Street Homes by StreetScape Development...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    the owners return home at night. 5 of 17 Advanced solid-state lighting technology uses LED lights for 90% of the fixtures. All of the lights are integrated into the home's smart...

  18. Financing Guidance for LED Street Lighting Programs

    Energy.gov [DOE]

    Financing an LED street lighting replacement program can present a hurdle for many system owners, even if the planned transition offers very favorable economics. Replacing the existing system requires a significant budget, particularly as the scope of the program increases. Cities such as Los Angeles and Seattle have invested many millions of dollars into their (very successful) LED street lighting replacement programs.

  19. Development of Advanced LED Phosphors by Spray-based Processes for Solid State Lighting

    SciTech Connect

    Cabot Corporation

    2007-09-30

    The overarching goal of the project was to develop luminescent materials using aerosol processes for making improved LED devices for solid state lighting. In essence this means improving white light emitting phosphor based LEDs by improvement of the phosphor and phosphor layer. The structure of these types of light sources, displayed in Figure 1, comprises of a blue or UV LED under a phosphor layer that converts the blue or UV light to a broad visible (white) light. Traditionally, this is done with a blue emitting diode combined with a blue absorbing, broadly yellow emitting phosphor such as Y{sub 3}Al{sub 5}O{sub 12}:Ce (YAG). A similar result may be achieved by combining a UV emitting diode and at least three different UV absorbing phosphors: red, green, and blue emitting. These emitted colors mix to make white light. The efficiency of these LEDs is based on the combined efficiency of the LED, phosphor, and the interaction between the two. The Cabot SSL project attempted to improve the over all efficiency of the LED light source be improving the efficiency of the phosphor and the interaction between the LED light and the phosphor. Cabot's spray based process for producing phosphor powders is able to improve the brightness of the powder itself by increasing the activator (the species that emits the light) concentration without adverse quenching effects compared to conventional synthesis. This will allow less phosphor powder to be used, and will decrease the cost of the light source; thus lowering the barrier of entry to the lighting market. Cabot's process also allows for chemical flexibility of the phosphor particles, which may result in tunable emission spectra and so light sources with improved color rendering. Another benefit of Cabot's process is the resulting spherical morphology of the particles. Less light scattering results when spherical particles are used in the phosphor layer (Figure 1) compared to when conventional, irregular shaped phosphor particles

  20. Bayesian probabilistic model for life prediction and fault mode classification of solid state luminaires

    SciTech Connect

    Lall, Pradeep; Wei, Junchao; Sakalaukus, Peter

    2014-06-22

    A new method has been developed for assessment of the onset of degradation in solid state luminaires to classify failure mechanisms by using metrics beyond lumen degradation that are currently used for identification of failure. Luminous Flux output, Correlated Color Temperature Data on Philips LED Lamps has been gathered under 85°C/85%RH till lamp failure. Failure modes of the test population of the lamps have been studied to understand the failure mechanisms in 85°C/85%RH accelerated test. Results indicate that the dominant failure mechanism is the discoloration of the LED encapsulant inside the lamps which is the likely cause for the luminous flux degradation and the color shift. The acquired data has been used in conjunction with Bayesian Probabilistic Models to identify luminaires with onset of degradation much prior to failure through identification of decision boundaries between lamps with accrued damage and lamps beyond the failure threshold in the feature space. In addition luminaires with different failure modes have been classified separately from healthy pristine luminaires. The α-λ plots have been used to evaluate the robustness of the proposed methodology. Results show that the predicted degradation for the lamps tracks the true degradation observed during 85°C/85%RH during accelerated life test fairly closely within the ±20% confidence bounds. Correlation of model prediction with experimental results indicates that the presented methodology allows the early identification of the onset of failure much prior to development of complete failure distributions and can be used for assessing the damage state of SSLs in fairly large deployments. It is expected that, the new prediction technique will allow the development of failure distributions without testing till L70 life for the manifestation of failure.

  1. Optimization of solid state anaerobic digestion of the OFMSW by digestate recirculation: A new approach

    SciTech Connect

    Michele, Pognani; Giuliana, D’Imporzano; Carlo, Minetti; Sergio, Scotti; Fabrizio, Adani

    2015-01-15

    Highlights: • Solid State Anaerobic Digestion (SSAD) of OFMSW can be optimized by irrigation with digestate. • Digestate spreading allows keeping optimal process parameters and high hydrolysis rate. • The 18.4% of CH{sub 4} was produced in the reactor, leaving the 49.7% in the percolate. • Successive CSTR feed with percolate shows a biogas enriched in methane (more than 80%). • The proposed process allow producing the 68% of OFMSW potential CH{sub 4}, getting high quality organic amendment. - Abstract: Dry anaerobic digestion (AD) of OFMSW was optimized in order to produce biogas avoiding the use of solid inoculum. Doing so the dry AD was performed irrigating the solid waste with liquid digestate (flow rate of 1:1.18–1:0.9 w/w waste/digestate; 21 d of hydraulic retention time – HRT) in order to remove fermentation products inhibiting AD process. Results indicated that a high hydrolysis rate of organic matter (OM) and partial biogas production were obtained directly during the dry AD. Hydrolysate OM was removed from digester by the percolate flow and it was subsequently used to feed a liquid anaerobic digester. During dry AD a total loss of 36.9% of total solids was recorded. Methane balance indicated that 18.4% of potential methane can be produced during dry AD and 49.7% by the percolate. Nevertheless results obtained for liquid AD digestion indicated that only 20.4% and 25.7% of potential producible methane was generated by adopting 15 and 20 days of HRT, probably due to the AD inhibition due to high presence of toxic ammonia forms in the liquid medium.

  2. Calcination products of gibbsite studied by X-ray diffraction, XPS and solid-state NMR

    SciTech Connect

    Malki, A.; Mekhalif, Z.; Detriche, S.; Fonder, G.; Boumaza, A.; Djelloul, A.

    2014-07-01

    The changes caused by heat treatment of gibbsite powder at 300–1473 K were studied using the X-ray diffraction (XRD), X-ray photoemission (XPS) spectra and {sup 27}Al magic angle spinning nuclear magnetic resonance spectroscopy ({sup 27}Al MAS NMR). XRD analysis indicates that the transformation sequence involves the formation of κ-Al{sub 2}O{sub 3} as an intermediate phase between χ- and α-Al{sub 2}O{sub 3}. The crystallite size of χ-Al{sub 2}O{sub 3} is as small as 10 nm. XPS analysis indicates that the ratio of aluminium atoms to oxygen atoms in χ-Al{sub 2}O{sub 3} and κ-Al{sub 2}O{sub 3} increases, whereas the expected ratio is observed in α-Al{sub 2}O{sub 3}. The percentage of AlO{sub 4} units in the transition aluminas follows the same behaviour as the ratio of Al/O. - Graphical abstract: The percentage of AlO{sub 4} units in transition aluminas follows the same behaviour as the ratio of Al/O. - Highlights: • Calcination products of gibbsite studied by XRD, XPS and solid-state NMR. • The crystallite size of χ-Al{sub 2}O{sub 3} is as small as 10 nm. • The Al/O atomic ratio determined by XPS is larger than 2/3 in χ-Al{sub 2}O{sub 3} and κ-Al{sub 2}O{sub 3}. • The percentage of AlO{sub 4} in the aluminas follows the same behaviour as the Al/O atomic ratio.

  3. Model Specification for Networked Outdoor Lighting Control Systems

    Energy.gov [DOE]

    The DOE Municipal Solid-State Street Lighting Consortium's Model Specification for Networked Outdoor Lighting Control Systems is a tool designed to help cities, utilities, and other local agencies...

  4. DOE Tour of Zero Floorplans: Taylor Street by Greenhill Contracting |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Taylor Street by Greenhill Contracting DOE Tour of Zero Floorplans: Taylor Street by Greenhill Contracting DOE Tour of Zero Floorplans: Taylor Street by Greenhill Contracting

  5. 2013 Wall Street Perspective on SMRs | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Wall Street Perspective on SMRs 2013 Wall Street Perspective on SMRs Summary of results of a 2013 survey on Wall Street attitudes toward small modular reactors. PDF icon 2013 Wall ...

  6. Workplace Charging Challenge: Sample Municipal Workplace Charging...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Municipal Workplace Charging Agreement Workplace Charging Challenge: Sample Municipal Workplace Charging Agreement Review the agreement proposed by one municipality to register PEV ...

  7. Municipal Solid Waste | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Municipal Solid Waste Jump to: navigation, search TODO: Add description List of Municipal Solid Waste Incentives Retrieved from "http:en.openei.orgwindex.php?titleMunicipalSo...

  8. Hull Municipal Light Plant | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Hull Municipal Light Plant Jump to: navigation, search Logo: Hull Municipal Light Plant Name: Hull Municipal Light Plant Place: Massachusetts Phone Number: 781-925-0051 Website:...

  9. Memo from Robert Myers regarding DOE Benefit Value Desk Manual

    Energy Saver

    (NC), and Boston (MA) | Department of Energy Webcasts » Member Case Studies: LED Street Lighting Programs in Algona (IA), Asheville (NC), and Boston (MA) Member Case Studies: LED Street Lighting Programs in Algona (IA), Asheville (NC), and Boston (MA) This May 8, 2013 webcast featured presentations from DOE Municipal Solid-State Street Lighting Consortium member cities about their experiences with LED street lighting. Presenters John Bilsten of Algona (IA) Municipal Utilities, Maggie Ullman

  10. Demonstration of LED Street Lighting in Kansas City, MO (Technical...

    Office of Scientific and Technical Information (OSTI)

    Technical Report: Demonstration of LED Street Lighting in Kansas City, MO Citation Details In-Document Search Title: Demonstration of LED Street Lighting in Kansas City, MO Nine ...

  11. DOE - Office of Legacy Management -- GSA 39th Street Warehouse...

    Office of Legacy Management (LM)

    GSA 39th Street Warehouse - IL 02 FUSRAP Considered Sites Site: GSA 39TH STREET WAREHOUSE (IL.02 ) Eliminated from consideration under FUSRAP Designated Name: Not Designated ...

  12. Text-Alternative Version: Using the Street and Parking Facility...

    Energy Saver

    Using the Street and Parking Facility Lighting Retrofit Financial Analysis Tool Text-Alternative Version: Using the Street and Parking Facility Lighting Retrofit Financial Analysis ...

  13. Solar Resource Measurements in 1400 JR Lynch Street, Jackson...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Resource Measurements in 1400 JR Lynch Street, Jackson, Mississippi Cooperative ... CRADA Number: CRD-07-254 CRADA Title: Solar Resource Measurements in 1400 JR Lynch Street, ...

  14. 2014 Wall Street Perspectives on SMRs - Report | Department of...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Perspectives on SMRs - Report 2014 Wall Street Perspectives on SMRs - Report Summary of the results of a 2014 survey of Wall Street attitudes toward small modular reactors. PDF ...

  15. Demonstration Assessment of Light Emitting Diode (LED) Street...

    Energy.gov [DOE] (indexed site)

    This report summarizes an LED street lighting assessment project conducted to study the applicability of LED luminaires in a street lighting application. emergingtechreportleds...

  16. Guidelines for Manufacturers and Distributors | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Research & Development » Technology Application R&D » Municipal Consortium » Members » Guidelines for Manufacturers and Distributors Guidelines for Manufacturers and Distributors The Municipal Solid-State Street Lighting Consortium is intended to be a user's group - focused on the needs of participants making investments in street and area lighting - which provides a resource for objective, unbiased information pertaining to solid-state lighting technology. To minimize the risk of

  17. Solid-state track recorder dosimetry device to measure absolute reaction rates and neutron fluence as a function of time

    DOEpatents

    Gold, Raymond; Roberts, James H.

    1989-01-01

    A solid state track recording type dosimeter is disclosed to measure the time dependence of the absolute fission rates of nuclides or neutron fluence over a period of time. In a primary species an inner recording drum is rotatably contained within an exterior housing drum that defines a series of collimating slit apertures overlying windows defined in the stationary drum through which radiation can enter. Film type solid state track recorders are positioned circumferentially about the surface of the internal recording drum to record such radiation or its secondary products during relative rotation of the two elements. In another species both the recording element and the aperture element assume the configuration of adjacent disks. Based on slit size of apertures and relative rotational velocity of the inner drum, radiation parameters within a test area may be measured as a function of time and spectra deduced therefrom.

  18. Development of bulk-type all-solid-state lithium-sulfur battery using LiBH{sub 4} electrolyte

    SciTech Connect

    Unemoto, Atsushi, E-mail: unemoto@imr.tohoku.ac.jp; Ikeshoji, Tamio [WPI-Advanced Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577 (Japan); Yasaku, Syun; Matsuo, Motoaki [Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577 (Japan); Nogami, Genki; Tazawa, Masaru; Taniguchi, Mitsugu [Mitsubishi Gas Chemicals Co., Ltd., 182 Tayuhama Shinwari, Kita-ku, Niigata 950-3112 (Japan); Orimo, Shin-ichi [WPI-Advanced Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577 (Japan); Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577 (Japan)

    2014-08-25

    Stable battery operation of a bulk-type all-solid-state lithium-sulfur battery was demonstrated by using a LiBH{sub 4} electrolyte. The electrochemical activity of insulating elemental sulfur as the positive electrode was enhanced by the mutual dispersion of elemental sulfur and carbon in the composite powders. Subsequently, a tight interface between the sulfur-carbon composite and the LiBH{sub 4} powders was manifested only by cold-pressing owing to the highly deformable nature of the LiBH{sub 4} electrolyte. The high reducing ability of LiBH{sub 4} allows using the use of a Li negative electrode that enhances the energy density. The results demonstrate the interface modification of insulating sulfur and the architecture of an all-solid-state Li-S battery configuration with high energy density.

  19. NIR-Selective electrochromic heteromaterial frameworks: a platform to understand mesoscale transport phenomena in solid-state electrochemical devices

    SciTech Connect

    Williams, TE; Chang, CM; Rosen, EL; Garcia, G; Runnerstrom, EL; Williams, BL; Koo, B; Buonsanti, R; Milliron, DJ; Helms, BA

    2014-01-01

    We report here the first solid-state, NIR-selective electrochromic devices. Critical to device performance is the arrangement of nanocrystal-derived electrodes into heteromaterial frameworks, where hierarchically porous ITO nanocrystal active layers are infiltrated by an ion-conducting polymer electrolyte with mesoscale periodicity. Enhanced coloration efficiency and transport are realized over unarchitectured electrodes in devices, paving the way towards new smart windows technologies.

  20. A green synthesis of a layered titanate, potassium lithium titanate; lower temperature solid-state reaction and improved materials performance

    SciTech Connect

    Ogawa, Makoto; Morita, Masashi; Igarashi, Shota; Sato, Soh

    2013-10-15

    A layered titanate, potassium lithium titanate, with the size range from 0.1 to 30 m was prepared to show the effects of the particle size on the materials performance. The potassium lithium titanate was prepared by solid-state reaction as reported previously, where the reaction temperature was varied. The reported temperature for the titanate preparation was higher than 800 C, though 600 C is good enough to obtain single-phase potassium lithium titanate. The lower temperature synthesis is cost effective and the product exhibit better performance as photocatalysts due to surface reactivity. - Graphical abstract: Finite particle of a layered titanate, potassium lithium titanate, was prepared by solid-state reaction at lower temperature to show modified materials performance. Display Omitted - Highlights: Potassium lithium titanate was prepared by solid-state reaction. Lower temperature reaction resulted in smaller sized particles of titanate. 600 C was good enough to obtain single phased potassium lithium titanate. The product exhibited better performance as photocatalyst.

  1. Remaining Barriers to LED Street Lighting

    Energy Saver

    ownership, involving multiple decision-makers * Utilities own 60-70% of street lighting inventory in U.S. * Sometimes more than one utility present in a given metro area * Often...

  2. One West Third Street Tulsa, Oklahoma

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Third Street Tulsa, Oklahoma 74103-3502 918-595-6600 Fax 918-595-6656 www.swpa.gov The ... Director, Division of Information Technology (CIO) Tulsa, Oklahoma Special thanks to: Ron ...

  3. Brighter Lights, Safer Streets | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Brighter Lights, Safer Streets Brighter Lights, Safer Streets May 15, 2012 - 5:56pm Addthis Workers install the final LED streetlight for DC's EECBG-funded energy efficient lighting upgrade. | Energy Department photo, credit Chris Galm. Workers install the final LED streetlight for DC's EECBG-funded energy efficient lighting upgrade. | Energy Department photo, credit Chris Galm. Chris Galm Marketing & Communications Specialist, Office of Energy Efficiency & Renewable Energy What does

  4. Solid State Joining of High Temperature Alloy Tubes for USC and Heat-Exchanger Systems

    SciTech Connect

    Bimal Kad

    2011-12-31

    The principal objective of this project was to develop materials enabling joining technologies for use in forward looking heat-exchanger fabrication in Brayton cycle HIPPS, IGCC, FutureGen concepts capable of operating at temperatures in excess of 1000{degree}C as well as conventional technology upgrades via Ultra Super-Critical (USC) Rankine-cycle boilers capable of operating at 760{degree}C (1400F)/38.5MPa (5500psi) steam, while still using coal as the principal fossil fuel. The underlying mission in Rankine, Brayton or Brayton-Rankine, or IGCC combined cycle heat engine is a steady quest to improving operating efficiency while mitigating global environmental concerns. There has been a progressive move to higher overall cycle efficiencies, and in the case of fossil fuels this has accelerated recently in part because of concerns about greenhouse gas emissions, notably CO{sub 2}. For a heat engine, the overall efficiency is closely related to the difference between the highest temperature in the cycle and the lowest temperature. In most cases, efficiency gains are prompted by an increase in the high temperature, and this in turn has led to increasing demands on the materials of construction used in the high temperature end of the systems. Our migration to new advanced Ni-base and Oxide Dispersion Strengthened (ODS) alloys poses significant fabrication challenges, as these materials are not readily weldable or the weld performs poorly in the high temperature creep regime. Thus the joining challenge is two-fold to a) devise appropriate joining methodologies for similar/dissimilar Ni-base and ODS alloys while b) preserving the near baseline creep performance in the welded region. Our program focus is on solid state joining of similar and dissimilar metals/alloys for heat exchanger components currently under consideration for the USC, HIPPS and IGCC power systems. The emphasis is to manipulate the joining methods and variables available to optimize joint creep

  5. Failure Mode Classification for Life Prediction Modeling of Solid-State Lighting

    SciTech Connect

    Sakalaukus, Peter Joseph

    2015-08-01

    Since the passing of the Energy Independence and Security Act of 2007, the U.S. government has mandated greater energy independence which has acted as a catalyst for accelerating and facilitating research efforts toward the development and deployment of market-driven solutions for energy-saving homes, buildings and manufacturing, as well as sustainable transportation and renewable electricity generation. As part of this effort, an emphasis toward advancing solid-state lighting technology through research, development, demonstration, and commercial applications is assisting in the phase out of the common incandescent light bulb, as well as developing a more economical lighting source that is less toxic than compact fluorescent lighting. This has led lighting manufacturers to pursue SSL technologies for a wide range of consumer lighting applications. An SSL luminaire’s lifetime can be characterized in terms of lumen maintenance life. Lumen maintenance or lumen depreciation is the percentage decrease in the relative luminous flux from that of the original, pristine luminous flux value. Lumen maintenance life is the estimated operating time, in hours, when the desired failure threshold is projected to be reached at normal operating conditions. One accepted failure threshold of SSL luminaires is lumen maintenance of 70% -- a 30% reduction in the light output of the luminaire. Currently, the only approved lighting standard that puts forth a recommendation for long-term luminous flux maintenance projections towards a specified failure threshold of an SSL luminaire is the IES TM-28-14 (TM28) standard. iii TM28 was derived as a means to compare luminaires that have been tested at different facilities, research labs or companies. TM28 recommends the use of the Arrhenius equation to determine SSL device specific reaction rates from thermally driven failure mechanisms used to characterize a single failure mode – the relative change in the luminous flux output or

  6. International trends in solid-state lighting : analyses of the article and patent literature.

    SciTech Connect

    Tsao, Jeffrey Yeenien; Huey, Mark C.; Boyack, Kevin W.; Miksovic, Ann E.

    2008-07-01

    We present an analysis of the literature of solid-state lighting, based on a comprehensive dataset of 35,851 English-language articles and 12,420 U.S. patents published or issued during the years 1977-2004 in the foundational knowledge domain of electroluminescent materials and phenomena. The dataset was created using a complex, iteratively developed search string. The records in the dataset were then partitioned according to: whether they are articles or patents, their publication or issue date, their national or continental origin, whether the active electroluminescent material was inorganic or organic, and which of a number of emergent knowledge sub-domains they aggregate into on the basis of bibliographic coupling. From these partitionings, we performed a number of analyses, including: identification of knowledge sub-domains of historical and recent importance, and trends over time of the contributions of various nations and continents to the knowledge domain and its sub-domains. Among the key results: (1) The knowledge domain as a whole has been growing quickly: the average growth rates of the inorganic and organic knowledge sub-domains have been 8%/yr and 25%/yr, respectively, compared to average growth rates less than 5%/yr for English-language articles and U.S. patents in other knowledge domains. The growth rate of the organic knowledge sub-domain is so high that its historical dominance by the inorganic knowledge sub-domain will, at current trajectories, be reversed in the coming decade. (2) Amongst nations, the U.S. is the largest contributor to the overall knowledge domain, but Japan is on a trajectory to become the largest contributor within the coming half-decade. Amongst continents, Asia became the largest contributor during the past half-decade, overwhelmingly so for the organic knowledge sub-domain. (3) The relative contributions to the article and patent datasets differ for the major continents: North America contributing relatively more patents

  7. Vehicle Technologies Office Merit Review 2014: Solid State NMR Studies of Li-Rich NMC Cathodes: Investigating Structure Change and Its Effect on Voltage Fade Phenomenon

    Energy.gov [DOE]

    Presentation given by Argonne National Laboratory at 2014 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Office Annual Merit Review and Peer Evaluation Meeting about solid state NMR...

  8. A self-injected, diode-pumped, solid-state ring laser for laser cooling of Li atoms

    SciTech Connect

    Miake, Yudai; Mukaiyama, Takashi; O’Hara, Kenneth M.; Gensemer, Stephen

    2015-04-15

    We have constructed a solid-state light source for experiments with laser cooled lithium atoms based on a Nd:Y V O{sub 4} ring laser with second-harmonic generation. Unidirectional lasing, an improved mode selection, and a high output power of the ring laser were achieved by weak coupling to an external cavity which contained the lossy elements required for single frequency operation. Continuous frequency tuning is accomplished by controlling two piezoelectric transducers (PZTs) in the internal and the external cavities simultaneously. The light source has been utilized to trap and cool fermionic lithium atoms into the quantum degenerate regime.

  9. Crystallographic analysis of the solid-state dewetting of polycrystalline gold film using automated indexing in a transmission electron microscope

    SciTech Connect

    Jang, S. A.; Lee, H. J.; Oh, Y. J.; Thompson, C. V.; Ross, C. A.

    2015-12-01

    We analyzed the effect of crystallographic anisotropy on the morphological evolution of a 12-nm-thick gold film during solid-state dewetting at high temperatures using automated indexing tool in a transmission electron microscopy. Dewetting initiated at grain-boundary triple junctions adjacent to large grains resulting from abnormal grain growth driven by (111) texture development. Voids at the junctions developed shapes with faceted edges bounded by low-index crystal planes. The kinetic mobility of the edges varied with the crystal orientation normal to the edges, with a predominance of specific edges with the slowest retraction rates as the annealing time was increased.

  10. Reconstituted polymeric materials derived from post-consumer waste, industrial scrap and virgin resins made by solid state pulverization

    DOEpatents

    Khait, Klementina

    1998-09-29

    A method of making polymeric particulates wherein polymeric scrap material, virgin polymeric material and mixtures thereof are supplied to intermeshing extruder screws which are rotated to transport the polymeric material along their length and subject the polymeric material to solid state shear pulverization and in-situ polymer compatibilization, if two or more incompatible polymers are present. Uniform pulverized particulates are produced without addition of a compatibilizing agent. The pulverized particulates are directly melt processable (as powder feedstock) and surprisingly yield a substantially homogeneous light color product.

  11. Reconstituted polymeric materials derived from post-consumer waste, industrial scrap and virgin resins made by solid state shear pulverization

    DOEpatents

    Khait, Klementina

    2001-01-30

    A method of making polymeric particulates wherein polymeric scrap material, virgin polymeric material and mixtures thereof are supplied to intermeshing extruder screws which are rotated to transport the polymeric material along their length and subject the polymeric material to solid state shear pulverization and in-situ polymer compatibilization, if two or more incompatible polymers are present. Uniform pulverized particulates are produced without addition of a compatibilizing agent. The pulverized particulates are directly melt processable (as powder feedstock) and surprisingly yield a substantially homogeneous light color product.

  12. Formation of lithium fluoride/metal nanocomposites for energy storage through solid state reduction of metal fluorides

    SciTech Connect

    Amatucci, GG; Pereira, N; Badway, F; Sina, M; Cosandey, F; Ruotolo, M; Cao, C

    2011-12-01

    In order to utilize high energy metal fluoride electrode materials as direct replacement electrode materials for lithium ion batteries in the future, a methodology to prelithiate the cathode or anode must be developed. Herein, we introduce the use of a solid state Li(3)N route to achieve the lithiation and mechanoreduction of metal fluoride based nanocomposites. The resulting prelithiation was found to be effective with the formation of xLiF:Me structures of very fine nanodimensions analogous to what is found by electrochemical lithiation. Physical and electrochemical properties of these nanocomposites for the bismuth and iron lithium fluoride systems are reported. (C) 2011 Elsevier B.V. All rights reserved.

  13. Reconstituted polymeric materials derived from post-consumer waste, industrial scrap and virgin resins made by solid state pulverization

    DOEpatents

    Khait, K.

    1998-09-29

    A method of making polymeric particulates is described wherein polymeric scrap material, virgin polymeric material and mixtures thereof are supplied to intermeshing extruder screws which are rotated to transport the polymeric material along their length and subject the polymeric material to solid state shear pulverization and in-situ polymer compatibilization, if two or more incompatible polymers are present. Uniform pulverized particulates are produced without addition of a compatible agent. The pulverized particulates are directly melt processable (as powder feedstock) and surprisingly yield a substantially homogeneous light color product. 29 figs.

  14. Reconstituted Polymeric Materials Derived From Post-Consumer Waste, Industrial Scrap And Virgin Resins Made By Solid State Shear Pulverizat

    DOEpatents

    Khait, Klementina

    2005-02-01

    A method of making polymeric particulates wherein polymeric scrap material, virgin polymeric material and mixtures thereof are supplied to intermeshing extruder screws which are rotated to transport the polymeric material along their length and subject the polymeric material to solid state shear pulverization and in-situ polymer compatibilization, if two or more incompatible polymers are present. Uniform pulverized particulates are produced without addition of a compatibilizing agent. The pulverized particulates are directly melt processable (as powder feedstock) and surprisingly yield a substantially homogeneous light color product.

  15. Investigations of protons passing through the CR-39/PM-355 type of solid state nuclear track detectors

    SciTech Connect

    Malinowska, A.; Szyd?owski, A.; Jask?a, M.; Korman, A.; Kuk, M.; Sartowska, B.; Kuehn, T.

    2013-07-15

    Solid State Nuclear Track Detectors of the CR-39/PM-355 type were irradiated with protons with energies in the range from 0.2 to 8.5 MeV. Their intensities and energies were controlled by a Si surface barrier detector located in an accelerator scattering chamber. The ranges of protons with energies of 67 MeV were comparable to the thickness of the PM-355 track detectors. Latent tracks in the polymeric detectors were chemically etched under standard conditions to develop the tracks. Standard optical microscope and scanning electron microscopy techniques were used for surface morphology characterization.

  16. Municipal Solid Waste:

    Energy Information Administration (EIA) (indexed site)

    Methodology for Allocating Municipal Solid Waste to Biogenic and Non-Biogenic Energy May 2007 Energy Information Administration Office of Coal, Nuclear, Electric and Alternate Fuels U.S. Department of Energy Washington, DC 20585 This report was prepared by the Energy Information Administration, the independent statistical and analytical agency within the U.S. Department of Energy. The information contained herein should be attributed to the Energy Information Administration and should not be

  17. MULTIFUNCTIONAL (NOx/CO/O2) SOLID-STATE SENSORS FOR COAL COMBUSTION CONTROL

    SciTech Connect

    Eric D. Wachsman

    2005-05-29

    We have made great progress in both developing solid state sensors for coal combustion control and understanding the mechanism by which they operate. We have fabricated and tested numerous sensors and identified the role electrode microstructure plays in sensor response. We have developed both p-type (La{sub 2}CuO{sub 4}) and n-type (WO{sub 3}) semiconducting NO{sub x} sensing electrodes. We have demonstrated their respective sensing behavior (sensitivities and cross-sensitivities), related this behavior to their gas adsorption/desorption behavior and catalytic activity, and in so doing verified that our proposed Differential Electrode Equilibria is a more comprehensive sensing mechanism. These investigations and their results are summarized below. The composition and microstructure of the sensing electrode is the key parameters that influence the sensing performance. We investigated the effect of electrode microstructure on the NO{sub x} sensitivity and response time using a La{sub 2}CuO{sub 4}-based potentiometric sensor. Temperature dependence, cross-sensitivity and selectivities of a La{sub 2}CuO{sub 4}- and WO{sub 3}-based potentiometric NO{sub x} sensor were investigated both in N{sub 2} and in a simulated exhaust gas. We performed temperature programmed reaction (TPR) and desorption (TPD) experiments to determine the reaction and adsorption characteristics of O{sub 2}, NO{sub x}, CO, CO{sub 2}, and their mixtures on the electrodes, and related the results to sensor performance. In order to optimize the sensor electrode microstructure, powders were prepared using four different powder synthesis routes, resulting in different particle size distributions and BET surface areas. Different sintering conditions were also applied. The microstructure of electrodes, synthesized with the same composition, has a dramatic effect on both sensitivity and response time of potentiometric NO sensors, showing that large surface areas generate a porous morphology with smaller

  18. Low Temperature Solid-State NMR Spectroscopy. A Strategy for the Direct Observation of Quadrupolar Nuclides of Biological Interest.

    SciTech Connect

    Ellis, Paul D.; Lipton, Andrew S.

    2007-01-01

    This review presents a self-contained summary of the experimental methods necessary to perform a low temperature solid-state NMR experiment. Specific references are made for Zn? and Mg?. However, this is not a comprehensive review of the NMR literature of these nuclides. As the review is concerned with solid-state NMR spectroscopy of quadrupolar nuclides, we limit the discussions to odd-half-integral spin systems, i.e. 3/2, 5/2, 7/2, and 9/2 spins. The reason for the limitation is due to the relative ease of observing the central transition, which is common to all of these nuclides. The review is divided into two major sections; the first dealing with experimental methods, e.g. use of low temperature, magnetization transfer, spin echo methods, and questions dealing with nonspecific binding. Following those discussions we turn to the introduction of structure into the experiment, i.e. the use triple resonance experiments to selectively introduce dipolar interactions and the use of molecular theory.

  19. Solid-state NMR analysis of the {beta}-strand orientation of the protofibrils of amyloid {beta}-protein

    SciTech Connect

    Doi, Takashi; Masuda, Yuichi; Irie, Kazuhiro; Akagi, Ken-ichi; Monobe, Youko; Imazawa, Takayoshi; Takegoshi, K.

    2012-11-30

    Highlights: Black-Right-Pointing-Pointer The supramolecular structure of A{beta}42 protofibrils was analyzed by solid-state NMR. Black-Right-Pointing-Pointer The Ala-21 residue in the A{beta}42 protofibrils is included in a slightly disordered {beta}-strand. Black-Right-Pointing-Pointer The A{beta}42 protofibrils do not form intermolecular in-register parallel {beta}-sheets. -- Abstract: Alzheimer's disease (AD) is caused by abnormal deposition (fibrillation) of a 42-residue amyloid {beta}-protein (A{beta}42) in the brain. During the process of fibrillation, the A{beta}42 takes the form of protofibrils with strong neurotoxicity, and is thus believed to play a crucial role in the pathogenesis of AD. To elucidate the supramolecular structure of the A{beta}42 protofibrils, the intermolecular proximity of the Ala-21 residues in the A{beta}42 protofibrils was analyzed by {sup 13}C-{sup 13}C rotational resonance experiments in the solid state. Unlike the A{beta}42 fibrils, an intermolecular {sup 13}C-{sup 13}C correlation was not found in the A{beta}42 protofibrils. This result suggests that the {beta}-strands of the A{beta}42 protofibrils are not in an in-register parallel orientation. A{beta}42 monomers would assemble to form protofibrils with the {beta}-strand conformation, then transform into fibrils by forming intermolecular parallel {beta}-sheets.

  20. Municipal waste processing apparatus

    DOEpatents

    Mayberry, John L.

    1988-01-01

    Municipal waste materials are processed by crushing the materials so that pieces of noncombustible material are smaller than a selected size and pieces of combustible material are larger than the selected size. The crushed materials are placed on a vibrating mesh screen conveyor belt having openings which pass the smaller, noncombustible pieces of material, but do not pass the larger, combustible pieces of material. Pieces of material which become lodged in the openings of the conveyor belt may be removed by cylindrical deraggers or pressurized air. The crushed materials may be fed onto the conveyor belt by a vibrating feed plate which shakes the materials so that they tend to lie flat.