Semiconductor structures for fuel generation
Abstract
This disclosure relates to photovoltaic and photoelectrosynthetic cells, devices, methods of making and using the same.
- Inventors:
- Issue Date:
- Research Org.:
- California Institute of Technology (CalTech), Pasadena, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1435618
- Patent Number(s):
- 9947816
- Application Number:
- 13/856,353
- Assignee:
- California Institute of Technology (Pasadena, CA)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01B - NON-METALLIC ELEMENTS
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01L - SEMICONDUCTOR DEVICES
- DOE Contract Number:
- SC0004993
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2013 Apr 03
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING
Citation Formats
Ardo, Shane, Shaner, Matthew, Coridan, Robert, Strandwitz, Nicholas C., McKone, James R., Fountaine, Katherine, Atwater, Harry A., and Lewis, Nathan S. Semiconductor structures for fuel generation. United States: N. p., 2018.
Web.
Ardo, Shane, Shaner, Matthew, Coridan, Robert, Strandwitz, Nicholas C., McKone, James R., Fountaine, Katherine, Atwater, Harry A., & Lewis, Nathan S. Semiconductor structures for fuel generation. United States.
Ardo, Shane, Shaner, Matthew, Coridan, Robert, Strandwitz, Nicholas C., McKone, James R., Fountaine, Katherine, Atwater, Harry A., and Lewis, Nathan S. Tue .
"Semiconductor structures for fuel generation". United States. https://www.osti.gov/servlets/purl/1435618.
@article{osti_1435618,
title = {Semiconductor structures for fuel generation},
author = {Ardo, Shane and Shaner, Matthew and Coridan, Robert and Strandwitz, Nicholas C. and McKone, James R. and Fountaine, Katherine and Atwater, Harry A. and Lewis, Nathan S.},
abstractNote = {This disclosure relates to photovoltaic and photoelectrosynthetic cells, devices, methods of making and using the same.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {4}
}
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Works referenced in this record:
Semiconductor Nanowires: From Self-Organization to Patterned Growth
journal, April 2006
- Fan, Hong Jin; Werner, Peter; Zacharias, Margit
- Small, Vol. 2, Issue 6, p. 700-717
Method and apparatus for growing oriented whisker arrays
patent, October 2001
- Givargizov, Evgeny Invievich
- US Patent Document 6,306,734
Epitaxial core–shell and core–multishell nanowire heterostructures
journal, November 2002
- Lauhon, Lincoln J.; Gudiksen, Mark S.; Wang, Deli
- Nature, Vol. 420, Issue 6911, p. 57-61
Photovoltaic Effect of Gold in Silicon
journal, November 1969
- Güttler, G.; Queisser, H. J.
- Journal of Applied Physics, Vol. 40, Issue 12, p. 4994-4995
Solar Cell Element, Color Sensor and Method of Manufacturing Light Emitting Element and Light Receiving Element
patent-application, June 2011
- Goto, Hajime; Endo, Hirotaka; Hiruna, Kenji
- US Patent Application 12/955193; 20110126891
Large area polycrystalline silicon solar cells on unidirectionally solidified acid-treated metallurgical grade silicon
conference, January 1989
- Chu, T.L.; Stokes, E.D.; Abderrassoul, R.A.
- IEEE Energy and Information Technologies in the Southeast
High‐efficiency electrodeposited cadmium telluride solar cells
journal, February 1982
- Fulop, G.; Doty, M.; Meyers, P.
- Applied Physics Letters, Vol. 40, Issue 4, p. 327-328
High Density Germanium Nanowire Assemblies: Contact Challenges and Electrical Characterization
journal, January 2006
- Erts, Donats; Polyakov, Boris; Daly, Brian
- The Journal of Physical Chemistry B, Vol. 110, Issue 2, p. 820-826
Si nanowires synthesized with Cu catalyst
journal, January 2007
- Yao, Y.; Fan, S.
- Materials Letters, Vol. 61, Issue 1, p. 177-181
Encapsulated Photovoltaic Device Used With A Reflector And A Method of Use for the Same
patent-application, March 2009
- Brezoczky, Thomas; Buller, Benyamin; Gronet, Chris
- US Patent Application 12/235496; 20090078303
Comparison of the device physics principles of planar and radial p-n junction nanorod solar cells
journal, June 2005
- Kayes, Brendan M.; Atwater, Harry A.; Lewis, Nathan S.
- Journal of Applied Physics, Vol. 97, Issue 11, Article No. 114302
Well-aligned CdS nanorod/conjugated polymer solar cells
journal, April 2005
- Kang, Yoonmook; Kim, Donghwan
- Solar Energy Materials and Solar Cells, Vol. 90, Issue 2, p. 166-174
Method of synthesizing silicon wires
patent-application, July 2007
- Yao, Yuan; Xu, Li-Guo; Fan, Shou-Shan
- US Patent Document 11/525440; 20070166899
Graded hybrid amorphous silicon nanowire solar cells
patent-application, June 2008
- Tsakalakos, Loucas; Johnson, James Neil; Manivannan, Venkatesan
- US Patent Application 11/599722; 20080135089
From light scattering to the microstructure of thin-film multilayers
journal, October 1993
- Amra, C.
- Applied Optics, Vol. 32, Issue 28, p. 5481-5491
Controlled Growth of Si Nanowire Arrays for Device Integration
journal, March 2005
- Hochbaum, Allon I.; Fan, Rong; He, Rongrui
- Nano Letters, Vol. 5, Issue 3, p. 457-460
Silicon nanowire solar cells
journal, December 2007
- Tsakalakos, L.; Balch, J.; Fronheiser, J.
- Applied Physics Letters, Vol. 91, Issue 23, 233117
Pulsed growth of catalyst-free growth of GaN nanowires and application in group III nitride semiconductor bulk material
patent, April 2009
- Hersee, Stephen D.; Wang, Xin; Sun, Xinyu
- US Patent Document 7,521,274
Nanowire dye-sensitized solar cells
journal, May 2005
- Law, Matt; Greene, Lori E.; Johnson, Justin C.
- Nature Materials, Vol. 4, Issue 6, p. 455-459
Electrodeposition of CdTe Thin Films
journal, January 1984
- Bhattacharya, R. N.; Rajeshwar, K.
- Journal of The Electrochemical Society, Vol. 131, Issue 9, p. 2032-2037
"Ideal" behavior of the open circuit voltage of semiconductor/liquid junctions
journal, May 1989
- Rosenbluth, Mary L.; Lewis, Nathan S.
- The Journal of Physical Chemistry, Vol. 93, Issue 9, p. 3735-3740
Photovoltaic device with nanostructured layers
patent-application, September 2008
- Reddy, Damoder
- US Patent Application 11/708072; 20080230120
Controlled partial embedding of carbon nanotubes within flexible transparent layers
journal, December 2007
- Sansom, Elijah B.; Rinderknecht, Derek; Gharib, Morteza
- Nanotechnology, Vol. 19, Issue 3, Article No. 035302
A study on deep etching of silicon using ethylene-diamine-pyrocatechol-water
journal, July 1986
- Wu, Xian-Ping; Wu, Quin-Hai; Ko, Wen H.
- Sensors and Actuators, Vol. 9, Issue 4, p. 333-343
Semiconductor Nanowire Array: Potential Substrates for Photocatalysis and Photovoltaics
journal, January 2002
- Wu, Yijing; Yan, Haoquan; Yang, Peidong
- Topics in Catalysis, Vol. 19, Issue 2, p. 197-202
Aligned Single-Crystalline Si Nanowire Arrays for Photovoltaic Applications
journal, September 2005
- Peng, Kuiqing; Xu, Ying; Wu, Yin
- Small, Vol. 1, Issue 11, p. 1062-1067
Silicon Nanowire Array Photoelectrochemical Cells
journal, September 2007
- Goodey, Adrian P.; Eichfeld, Sarah M.; Lew, Kok-Keong
- Journal of the American Chemical Society, Vol. 129, Issue 41, p. 12344-12345
Transparent Solar Cell Module
patent-application, July 2009
- Chan, I-Min; Kuo, Chao-Hsien
- US Patent Application 12/209215; 20090165849
Kinetic studies of carrier transport and recombination at the n-silicon methanol interface
journal, August 1986
- Rosenbluth, Mary L.; Lewis, Nathan S.
- Journal of the American Chemical Society, Vol. 108, Issue 16, p. 4689-4695
630‐mV open circuit voltage, 12% efficient n ‐Si liquid junction
journal, August 1984
- Rosenbluth, Mary L.; Lieber, Charles M.; Lewis, Nathan S.
- Applied Physics Letters, Vol. 45, Issue 4, p. 423-425
Nanostructured Solar Cells
patent-application, November 2008
- Flood, Dennis J.
- US Patent Application 12/108500; 20080276987
Unusually Low Surface-Recombination Velocity on Silicon and Germanium Surfaces
journal, July 1986
- Yablonovitch, E.; Allara, D. L.; Chang, C. C.
- Physical Review Letters, Vol. 57, Issue 2, p. 249-252
Nanochannel apparatus and method of fabricating
patent-application, May 2007
- Li, Zhiyong; Islam, M. Saif; Wang, Shih-Yuan
- US Patent Application 11/291019; 20070122313
Preparation and characterization of CdS/CdTe thin film solar cells
journal, January 1997
- Toušková, J.; Kindl, D.; Toušek, J.
- Thin Solid Films, Vol. 293, Issue 1-2, p. 272-276
Structures of Ordered Arrays of Semiconductors
patent-application, January 2009
- Atwater, Harry A.; Kayes, Brendan M.; Lewis, Nathan S.
- US Patent Document 12/176057; 20090020150
Flexible energy storage devices based on nanocomposite paper
journal, August 2007
- Pushparaj, Victor L.; Shaijumon, Manikoth M.; Kumar, Ashavani
- Proceedings of the National Academy of Sciences, Vol. 104, Issue 34, p. 13574-13577
Secondary Ion Mass Spectrometry of Vapor−Liquid−Solid Grown, Au-Catalyzed, Si Wires
journal, September 2008
- Putnam, Morgan C.; Filler, Michael A.; Kayes, Brendan M.
- Nano Letters, Vol. 8, Issue 10, p. 3109-3113
Use of sacrificial layers in the manufacture of high performance systems on tailored substrates
patent, December 2007
- Fonash, Stephen J.; Li, Handong; Lee, Youngchul
- US Patent Document 7,309,620
Nonlithographic nano-wire arrays: fabrication, physics, and device applications
journal, January 1996
- Routkevitch, D.; Tager, A.A.; Haruyama, J.
- IEEE Transactions on Electron Devices, Vol. 43, Issue 10, p. 1646-1658
Electrochemical Fabrication of CdS Nanowire Arrays in Porous Anodic Aluminum Oxide Templates
journal, January 1996
- Routkevitch, Dmitri; Bigioni, Terry; Moskovits, Martin
- The Journal of Physical Chemistry, Vol. 100, Issue 33, p. 14037-14047
Radial pn junction nanorod solar cells: device physics principles and routes to fabrication in silicon
conference, January 2005
- Kayes, B.M.; Richardson, C.E.; Lewis, N.S.
- Conference Record of the Thirty-First IEEE Photovoltaic Specialists Conference
Photovoltaic Measurements in Single-Nanowire Silicon Solar Cells
journal, February 2008
- Kelzenberg, Michael D.; Turner-Evans, Daniel B.; Kayes, Brendan M.
- Nano Letters, Vol. 8, Issue 2, p. 710-714
Control of the Size and Position of Silicon Nanowires Grown via the Vapor-Liquid-Solid Technique
journal, October 1997
- Westwater, Jonathan; Gosain, Dharam Pal; Usui, Setsuo
- Japanese Journal of Applied Physics, Vol. 36, Issue Part 1, No. 10, p. 6204-6209
Real time process monitoring and control for semiconductor junctions
patent-application, February 2008
- Achutharaman, Vedapuram; Chang, Wen; Dixit, Tarpan
- US Patent Application 11/893416; 20080041439
Nanostructured imaging transfer element
patent, October 1994
- Debe, Mark K.; Kam, Kam K.; Poirier, Richard J.
- US Patent Document 5,352,651
Nanofiber surface based capacitors
patent, June 2006
- Chow, Calvin Y. H.; Dubrow, Robert S.
- US Patent Document 7,057,881
Well-ordered ZnO nanowire arrays on GaN substrate fabricated via nanosphere lithography
journal, January 2006
- Fan, Hong Jin; Fuhrmann, Bodo; Scholz, Roland
- Journal of Crystal Growth, Vol. 287, Issue 1, p. 34-38
Nanowire vias
patent-application, December 2008
- Weber, Walter M.; Kreupl, Franz; Unger, Eugen
- US Patent Document 11/767066; 20080315430
Fabrication of Silicon Nanowire Arrays with Controlled Diameter, Length, and Density
journal, March 2007
- Huang, Z.; Fang, H.; Zhu, J.
- Advanced Materials, Vol. 19, Issue 5, p. 744-748
SEMICONDUCTOR NANOWIRES AND NANOTUBES
journal, August 2004
- Law, Matt; Goldberger, Joshua; Yang, Peidong
- Annual Review of Materials Research, Vol. 34, Issue 1, p. 83-122
Interconnects for solar cell devices
patent-application, July 2007
- Gronet, Chris
- US Patent Application 11/649002; 20070157964
Effects of Interfacial Energetics on the Effective Surface Recombination Velocity of Si/Liquid Contacts
journal, March 2002
- Gstrein, Florian; Michalak, David J.; Royea, William J.
- The Journal of Physical Chemistry B, Vol. 106, Issue 11, p. 2950-2961
Systems and methods for nanowire growth and harvesting
patent, September 2006
- Pan, Yaoling; Duan, Xiangfeng; Dubrow, Robert S.
- US Patent Document 7,105,428
Design of Light Scattering in Nanowire Materials for Photovoltaic Applications
journal, September 2008
- Muskens, Otto L.; Rivas, Jaime Gómez; Algra, Rienk E.
- Nano Letters, Vol. 8, Issue 9, p. 2638-2642
Substrate patterning by electron emission-induced displacement
patent, October 2010
- Reppert, Jason B.; Gaillard, Jay B.; Elliott, Bevan C.
- US Patent Document 7,818,816
Synthesis of Molybdenum Nanowires with Millimeter-Scale Lengths Using Electrochemical Step Edge Decoration
journal, June 2002
- Zach, M. P.; Inazu, K.; Ng, K. H.
- Chemistry of Materials, Vol. 14, Issue 7, p. 3206-3216
Light Trapping in Silicon Nanowire Solar Cells
journal, January 2010
- Garnett, Erik; Yang, Peidong
- Nano Letters, Vol. 10, Issue 3, p. 1082-1087
Nanowire Photodiodes
patent-application, April 2011
- Bratkovski, Alexandre; Osipov, Viatcheslav
- US Patent Application 12/606947; 20110096218
Embedded Carbon-Nanotube-Stiffened Polymer Surfaces
journal, January 2005
- Raravikar, Nachiket R.; Vijayaraghavan, Aravind S.; Keblinski, Pawel
- Small, Vol. 1, Issue 3, p. 317-320
Vapor-liquid-solid mechanism of single crystal growth
journal, March 1964
- Wagner, R. S.; Ellis, W. C.
- Applied Physics Letters, Vol. 4, Issue 5, p. 89-90
A review of some charge transport properties of silicon
journal, February 1977
- Jacoboni, C.; Canali, C.; Ottaviani, G.
- Solid-State Electronics, Vol. 20, Issue 2, p. 77-89
One-Dimensional Nanostructures: Synthesis, Characterization, and Applications
journal, March 2003
- Xia, Y.; Yang, P.; Sun, Y.
- Advanced Materials, Vol. 15, Issue 5, p. 353-389
Nanowall Solar Cells and Optoelectronic Devices
patent-application, July 2008
- Korevaar, Bastiaan Arie; Tsakalakos, Loucas; Balch, Joleyn
- US Patent Application 11/622295; 20080169019
The limiting efficiency of silicon solar cells under concentrated sunlight
journal, February 1986
- Campbell, P.; Green, M.A.
- IEEE Transactions on Electron Devices, Vol. 33, Issue 2, p. 234-239
Systems and Methods for Nanowire Growth
patent-application, May 2009
- Taylor, David
- US Patent Document 11/935884; 20090127540
Nano/Microwire Solar Cell Fabricated by Nano/Microsphere Lithography
patent-application, September 2010
- Graham, William; Gaha, Supratik; Gunawan, Oki
- US Patent Application 12/480163; 20100221866
Nanowire device and method of fabricating the same
patent-application, February 2007
- Lee, Hyo-sug; Lee, Sung-hoon; Jin, Young-gu
- US Patent Document 11/406255; 20070032076
Nanoimprint Lithography: Methods and Material Requirements
journal, February 2007
- Guo, L. J.
- Advanced Materials, Vol. 19, Issue 4, p. 495-513
Thermal interface material with carbon nanotubes
patent, August 2007
- Huang, Hua; Liu, Chang-Hong; Fan, Shou-Shan
- US Patent Document 7,253,442
Characterization of haze‐forming precipitates in silicon
journal, May 1988
- Seibt, M.; Graff, K.
- Journal of Applied Physics, Vol. 63, Issue 9, p. 4444-4450
Polymer-Embedded Semiconductor Rod Arrays
patent-application, March 2009
- Lewis, Nathan S.; Plass, Katherine E.; Spurgeon, Joshua M.
- US Patent Document 12/176065; 20090057839
Strong broadband optical absorption in silicon nanowire films
journal, July 2007
- Tsakalakos, Loucas; Balch, Joleyn E.; Fronheiser, Jody
- Journal of Nanophotonics, Vol. 1, Issue 1, Article No. 013552
Fabrication and properties of ultrasmall Si wire arrays with circuits by vapor–liquid–solid growth
journal, April 2002
- Kawano, Takeshi; Kato, Yoshiko; Futagawa, Masato
- Sensors and Actuators A: Physical, Vol. 97-98, p. 709-715
Methods for Fabrication of Nanowall Solar Cells and Optoelectronic Devices
patent-application, November 2011
- Korevaar, Bastiaan AArie; Tsakalakos, Loucas; Brewer, Joleyn Eileen
- US Patent Application 13/182485; 20110269264
Nanostructure-reinforced composite articles and methods
patent-application, March 2008
- Wardle, Brian L.; Hart, Anastasios John; Garcia, Enrique J.
- US Patent Document 11/895621; 20080075954
Stretchable and Foldable Silicon Integrated Circuits
journal, April 2008
- Kim, D.-H.; Ahn, J.-H.; Choi, W. M.
- Science, Vol. 320, Issue 5875, p. 507-511
Optical Absorption Enhancement in Amorphous Silicon Nanowire and Nanocone Arrays
journal, December 2008
- Zhu, Jia; Yu, Zongfu; Burkhard, George F.
- Nano Letters, Vol. 9, Issue 1, p. 279-282
Controlled growth of highly uniform, axial/radial direction-defined, individually addressable InP nanowire arrays
journal, October 2005
- Mohan, Premila; Motohisa, Junichi; Fukui, Takashi
- Nanotechnology, Vol. 16, Issue 12, p. 2903-2907
Impurity photovoltaic effect: Fundamental energy conversion efficiency limits
journal, August 2002
- Brown, Andrew S.; Green, Martin A.
- Journal of Applied Physics, Vol. 92, Issue 3, p. 1329-1336
Structures of and Methods for Forming Vertically Aligned Si Wire Arrays
patent-application, January 2009
- Kayes, Brendan M.; Filler, Michael A.; Lewis, Nathan S.
- US Patent Document 12/176099; 20090020853
Spectroscopic ellipsometry investigation of optical and interface properties of CdTe films deposited on metal foils
journal, May 2004
- Paulson, P. D.; Mathew, Xavier
- Solar Energy Materials and Solar Cells, Vol. 82, Issue 1-2, p. 279-290
Light emitting diode with high aspect ratio submicron roughness for light extraction and methods of forming
patent, April 2011
- Li, Ting
- US Patent Document 7,932,106
Long Germanium Nanowires Prepared by Electrochemical Etching
journal, June 2006
- Fang, C.; Föll, H.; Carstensen, J.
- Nano Letters, Vol. 6, Issue 7, p. 1578-1580
Defects in Silicon Crystals Grown by the VLS Technique
journal, March 1967
- Wagner, R. S.
- Journal of Applied Physics, Vol. 38, Issue 4, p. 1554-1560
High‐efficiency electroplated heterojunction solar cell
journal, January 1984
- Basol, Bulent M.
- Journal of Applied Physics, Vol. 55, Issue 2, p. 601-603
Nanoscale coherent optical components
patent-application, October 2004
- Lieber, Charles M.; Duan, Xiangfeng; Huang, Yu
- US Patent Document 10/734086; 20040213307
Nanostructured Solar Cells
patent-application, January 2012
- Fllod, Dennis J.
- US Patent Application 13/175339; 20120000525
Quantitative Measurement of the Electron and Hole Mobility−Lifetime Products in Semiconductor Nanowires
journal, April 2006
- Gu, Yi; Romankiewicz, John P.; David, John K.
- Nano Letters, Vol. 6, Issue 5, p. 948-952
Synthesis of Vertical High-Density Epitaxial Si(100) Nanowire Arrays on a Si(100) Substrate Using an Anodic Aluminum Oxide Template
journal, April 2007
- Shimizu, T.; Xie, T.; Nishikawa, J.
- Advanced Materials, Vol. 19, Issue 7, p. 917-920
Silicon nanowire-based solar cells
journal, June 2008
- Stelzner, Th; Pietsch, M; Andrä, G
- Nanotechnology, Vol. 19, Issue 29, Article No. 295203
Microwave assisted patterning of vertically aligned carbon nanotubes onto polymer substrates
journal, January 2006
- Sunden, Erik; Moon, Jack K.; Wong, C. P.
- Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, Vol. 24, Issue 4, p. 1947-1950
Biomimetic Assembly of Zinc Oxide Nanorods onto Flexible Polymers
journal, October 2007
- Morin, Stephen A.; Amos, Fairland F.; Jin, Song
- Journal of the American Chemical Society, Vol. 129, Issue 45, p. 13776-13777
Organizing apparatus for string-like objects
patent-application, February 2009
- Ireland, Todd; Dimovski, Tony; Toth, Eric
- US Patent Application 12/070709; 20090032412
Minority carrier lifetime and radiation damage coefficients of germanium
conference, January 2005
- Yoon, Hojun; Edmondson, K.M.; Kinsey, G.S.
- Conference Record of the Thirty-First IEEE Photovoltaic Specialists Conference
Hybrid Nanorod-Polymer Solar Cells
journal, March 2002
- Huynh, W. U.; Dittmer, Janke J.; Alivisatos, A. Paul
- Science, Vol. 295, Issue 5564, p. 2425-2427
Photoconverters based on silicon-crystal whiskers
journal, April 1978
- Shchetinin, A. A.; Drozhzhin, A. I.; Sedykh, N. K.
- Measurement Techniques, Vol. 21, Issue 4, p. 502-504
Diameter-Dependent Growth Direction of Epitaxial Silicon Nanowires
journal, April 2005
- Schmidt, Volker; Senz, Stephan; Gösele, Ulrich
- Nano Letters, Vol. 5, Issue 5, p. 931-935
Cadmium Telluride Solar Cells
book, April 2003
- McCandless, Brian E.; Sites, James R.; Luque, Antonio
- Handbook of Photovoltaic Science and Engineering: Luque/Photovoltaic Science and Engineering
Photovoltaic devices fabricated from nanostructured template
patent-application, May 2005
- Roscheisen, Martin; Sager, Brian; Pichler, Karl
- US Patent Application 10/771092; 20050098204
Validation of a Photovoltaic Module Energy Ratings Procedure at NREL
report, August 1999
- Marion, B.; Kroposki, B.; Emery, K.
- NREL/TP-520-26909
Aligned Carbon Nanotube−Polymer Hybrid Architectures for Diverse Flexible Electronic Applications
journal, February 2006
- Jung, Yung Joon; Kar, Swastik; Talapatra, Saikat
- Nano Letters, Vol. 6, Issue 3, p. 413-418
Fabrication of densely packed, well-ordered, high-aspect-ratio silicon nanopillars over large areas using block copolymer lithography
journal, August 2006
- Gowrishankar, Vignesh; Miller, Nathaniel; McGehee, Michael D.
- Thin Solid Films, Vol. 513, Issue 1-2, p. 289-294
Photovoltaic Device Using Nanostructured Material
patent-application, February 2009
- Habib, Youssef
- US Patent Document 12/185773; 20090050204
Recent improvements and arising challenges in dye-sensitized solar cells
journal, May 2007
- Anandan, Sambandam
- Solar Energy Materials and Solar Cells, Vol. 91, Issue 9, p. 843-846
10 μm minority-carrier diffusion lengths in Si wires synthesized by Cu-catalyzed vapor-liquid-solid growth
journal, October 2009
- Putnam, Morgan C.; Turner-Evans, Daniel B.; Kelzenberg, Michael D.
- Applied Physics Letters, Vol. 95, Issue 16, 163116
Coaxial silicon nanowires as solar cells and nanoelectronic power sources
journal, October 2007
- Tian, Bozhi; Zheng, Xiaolin; Kempa, Thomas J.
- Nature, Vol. 449, Issue 7164, p. 885-889
Photovoltaic Properties of Nano-particulate and Nanorod Array ZnO Electrodes for Dye-Sensitized Solar Cell
journal, February 2006
- Kim, Ki-Seok; Kang, Yoon-Sik; Lee, Jung-Hoon
- Bulletin of the Korean Chemical Society, Vol. 27, Issue 2, p. 295-298
Impurities in silicon solar cells
journal, April 1980
- Davis, J.R.; Rohatgi, A.; Hopkins, R.H.
- IEEE Transactions on Electron Devices, Vol. 27, Issue 4, p. 677-687
Experimental Observation of an Extremely Dark Material Made By a Low-Density Nanotube Array
journal, January 2008
- Yang, Zu-Po; Ci, Lijie; Bur, James A.
- Nano Letters, Vol. 8, Issue 2, p. 446-451
Photovoltaic Wire
patent-application, October 2009
- Habib, Youssef; Steinbeck, John
- US Patent Document 11/917505; 20090266411
Impurity effects in silicon for high efficiency solar cells
journal, May 1986
- Hopkins, R. H.; Rohatgi, A.
- Journal of Crystal Growth, Vol. 75, Issue 1, p. 67-79
Computer-Assisted Web Services Access Application Program Generation
patent-application, June 2008
- Adachi, Hisatoshi; Hara, Masao; Inoue, Motoharu
- US Patent Document 11/942870; 20080134089
Multilayered Film-Nanowire Composite, Bifacial, and Tandem Solar Cells
patent-application, July 2008
- Korevaar, Bastiaan Arie; Tsakalakos, Loucas
- US Patent Document 11/622275; 20080169017
Flexible Polymer-Embedded Si Wire Arrays
journal, January 2009
- Plass, Katherine E.; Filler, Michael A.; Spurgeon, Joshua M.
- Advanced Materials, Vol. 21, Issue 3, p. 325-328
Method of manufacturing silicon nanowires using porous glass template and device comprising silicon nanowires formed by the same
patent-application, October 2007
- Lee, Eun Kyung; Choi, Byoung Lyong; Kwon, Soon Jae
- US Patent Document 11/444115; 20070232028
Single and Tandem Axial p-i-n Nanowire Photovoltaic Devices
journal, September 2008
- Kempa, Thomas J.; Tian, Bozhi; Kim, Dong Rip
- Nano Letters, Vol. 8, Issue 10, p. 3456-3460
Amorphous-crystalline tandem nanostructured solar cells
patent-application, May 2008
- Tsakalakos, Loucas; Korevaar, Bastiaan Arie
- US Patent Document 11/599677; 20080110486
Repeated epitaxial growth and transfer of arrays of patterned, vertically aligned, crystalline Si wires from a single Si(111) substrate
journal, July 2008
- Spurgeon, Joshua M.; Plass, Katherine E.; Kayes, Brendan M.
- Applied Physics Letters, Vol. 93, Issue 3, 032112
Nanosized,dye-sensitized photovoltaic cell
patent-application, March 2008
- Liang, Yong; Candelaria, Jon J.; Eisenbeiser, Kurt W.
- US Patent Document 11/528124; 20080072961
Silicon structure, method for producing the same, and solar battery using the silicon structure
patent, February 2003
- Shibuya, Munehiro; Kitagawa, Masatoshi; Mukai, Yuuji
- US Patent Document 6,518,494
Enhanced absorption and carrier collection in Si wire arrays for photovoltaic applications
journal, February 2010
- Kelzenberg, Michael D.; Boettcher, Shannon W.; Petykiewicz, Jan A.
- Nature Materials, Vol. 9, Issue 3, p. 239-244
Macroporous Silicon as a Model for Silicon Wire Array Solar Cells
journal, April 2008
- Maiolo, James R.; Atwater, Harry A.; Lewis, Nathan S.
- The Journal of Physical Chemistry C, Vol. 112, Issue 15, p. 6194-6201
Patterning PDMS using a combination of wet and dry etching
journal, March 2009
- Balakrisnan, B; Patil, S; Smela, E
- Journal of Micromechanics and Microengineering, Vol. 19, Issue 4, Article No. 047002
Nanofiber surface based capacitors
patent, October 2006
- Chow, Calvin Y. H.; Dubrow, Robert S.
- US Patent Document 7,116,546
Electrochemical fabrication of cadmium chalcogenide microdiode arrays
journal, July 1993
- Klein, Jonathan D.; Herrick, Robert D.; Palmer, Dean
- Chemistry of Materials, Vol. 5, Issue 7, p. 902-904
Nanowire Multijunction Solar Cell
patent-application, July 2010
- Karg, Siegfried
- US Patent Application 12/404406; 20100175748
Studies of minority carrier transport in ZnO
journal, July 2007
- Lopatiuk-Tirpak, Olena; Chernyak, Leonid
- Superlattices and Microstructures, Vol. 42, Issue 1-6, p. 201-205
Hybrid photovoltaic device
patent-application, July 2009
- Dutta, Achyut
- US Patent Application 12/006154; 20090165844
Statistical ray optics
journal, July 1982
- Yablonovitch, Eli
- Journal of the Optical Society of America, Vol. 72, Issue 7, p. 899-907
Doped elongated semiconductors, growing such semiconductors, devices including such semiconductors, and fabricating such devices
patent, February 2010
- Lieber, Charles M.; Cui, Yi; Duan, Xiangfeng
- US Patent Document 7,666,708
Growth of vertically aligned Si wire arrays over large areas (>1cm2) with Au and Cu catalysts
journal, September 2007
- Kayes, Brendan M.; Filler, Michael A.; Putnam, Morgan C.
- Applied Physics Letters, Vol. 91, Issue 10, 103110
Method for the controlled growth of crystal whiskers and application thereof to the making of tip microcathodes
patent, May 1994
- Pribat, Didier; Leclerc, Pierre; Legagneux, Pierre
- US Patent Document 5,314,569
Composite article comprising oriented microstructures
patent, August 1994
- Debe, Mark K.
- US Patent Document 5,336,558
Rare Earth Elements—Critical Resources for High Technology
report, November 2002
- Haxel, Gordon B.; Hedrick, James B.; Orris, Greta J.
- U.S. Geological Survey
Titania-nanotube-array-based photovoltaic cells
journal, July 2006
- Wang, H.; Yip, C. T.; Cheung, K. Y.
- Applied Physics Letters, Vol. 89, Issue 2, 023508
Fabrication of Large-Area Silicon Nanowire p–n Junction Diode Arrays
journal, January 2004
- Q. Peng, K.; P. Huang, Z.; Zhu, J.
- Advanced Materials, Vol. 16, Issue 1, p. 73-76
Thin film CdTe solar cells-a review
conference, January 1990
- Basol, B.M.
- IEEE Conference on Photovoltaic Specialists, p. 588-594
Semiconducting Cadmium Telluride
journal, December 1954
- Jenny, Dietrich A.; Bube, Richard H.
- Physical Review, Vol. 96, Issue 5, p. 1190-1191
Characteristics of vapor–liquid–solid grown silicon nanowire solar cells
journal, August 2009
- Gunawan, Oki; Guha, Supratik
- Solar Energy Materials and Solar Cells, Vol. 93, Issue 8, p. 1388-1393
Semiconductors for Photoelectrolysis
journal, August 1978
- Harris, L. A.; Wilson, R. H.
- Annual Review of Materials Science, Vol. 8, Issue 1, p. 99-134
Gallium arsenide p-i-n radial structures for photovoltaic applications
journal, April 2009
- Colombo, C.; Heiβ, M.; Grätzel, M.
- Applied Physics Letters, Vol. 94, Issue 17, 173108
Method of producing high molecular weight organopolysiloxane, composition comprising the high molecular weight organopolysiloxane, and optical semiconductor device sealed with cured product thereof
patent-application, May 2007
- Shimizu, Hisashi; Shiobara, Toshio; Kashiwagi, Tsutomu
- US Patent Application 11/586525; 20070099008
Optoelectronic devices utilizing materials having enhanced electronic transitions
patent-application, December 2007
- Black, Marcie R.
- US Patent Document 11/712128; 20070278476
Solvent Compatibility of Poly(dimethylsiloxane)-Based Microfluidic Devices
journal, October 2003
- Lee, Jessamine Ng; Park, Cheolmin; Whitesides, George M.
- Analytical Chemistry, Vol. 75, Issue 23, p. 6544-6554
Fabrication of individually seeded nanowire arrays by vapour–liquid–solid growth
journal, October 2003
- Mårtensson, T; Borgström, M; Seifert, W
- Nanotechnology, Vol. 14, Issue 12, p. 1255-1258
Potential applications of hierarchical branching nanowires in solar energy conversion
journal, July 2009
- Bierman, Matthew J.; Jin, Song
- Energy & Environmental Science, Vol. 2, Issue 10, p. 1050-1059
Method of making silicon quantum wires on a substrate
patent, November 1999
- Westwater, Jonathan; Gosain, Dharam Pal; Nakagoe, Miyako
- US Patent Document 5,976,957
Method of making an enhanced optical absorption and radiation tolerance in thin-film solar cells and photodetectors
patent, September 2006
- Zaidi, Saleem H.
- US Patent Document 7,109,517
GaP/silicon tandem solar cell with extended temperature range
patent, December 2006
- Landis, Geoffrey A.
- US Patent Document 7,148,417
Coaxial Group III−Nitride Nanowire Photovoltaics
journal, April 2009
- Dong, Yajie; Tian, Bozhi; Kempa, Thomas J.
- Nano Letters, Vol. 9, Issue 5, p. 2183-2187
Continuous process for the preparation of polytrimethylene ether glycol
patent, April 2004
- Sunkara, Hari Babu; Marchildon, Ernest Keith; Ng, Howard
- US Patent Document 6,720,459
Thermal interface material and method for manufacturing same
patent-application, August 2005
- Huang, Hua; Liu, Chang-Hong; Fan, Shou-Shan
- US Patent Application 11/024513; 20050167647
A Laser Ablation Method for the Synthesis of Crystalline Semiconductor Nanowires
journal, January 1998
- Morales, Alfredo M.; Lieber, Charles M.
- Science, Vol. 279, Issue 5348, p. 208-211
Light-induced generation of hydrogen at CdS-monograin membranes
journal, March 1983
- Meissner, D.; Memming, R.; Kastening, B.
- Chemical Physics Letters, Vol. 96, Issue 1, p. 34-37
Silicon Nanowires: Preparation, Device Fabrication, and Transport Properties
journal, December 2000
- Yu, Jae-Young; Chung, Sung-Wook; Heath, James R.
- The Journal of Physical Chemistry B, Vol. 104, Issue 50, p. 11864-11870
Nanowire horizontal growth and substrate removal
patent, July 2009
- Romano, Linda; Mostarshed, Shahriar
- US Patent Document 7,560,366
Techniques for Use of Nanotechnology in Photovoltaics
patent-application, May 2010
- Guha, Supratik; Hamann, Hendrik; Tutuc, Emanuel
- US Patent Application 12/544066; 20100108131
Thermal interface material and method for manufacturing same
patent-application, June 2006
- Leu, Charles; Yu, Tai-Cheng; Chen, Ga-Lane
- US Patent Document 11/021923; 20060118791
Impurity photovoltaic effect in silicon
journal, April 1970
- Güttler, G.; Queisser, H. J.
- Energy Conversion, Vol. 10, Issue 2, p. 51-55
Nanostructure Arrays and Methods for Forming Same
patent-application, April 2008
- Tsakalakos, Loucas; Korevaar, Bastiaan A.; Balch, Joleyn E.
- US Patent Document 11/551305; 20080093698
High speed edge illumination photodetector
patent, November 1982
- Childs, Richard B.; Zory, Jr., Peter S.
- US Patent Document 4,358,676
Silicon Nanowire-Based Solar Cells on Glass: Synthesis, Optical Properties, and Cell Parameters
journal, March 2009
- Sivakov, V.; Andrä, G.; Gawlik, A.
- Nano Letters, Vol. 9, Issue 4, p. 1549-1554
High efficiency inorganic nanorod-enhanced photovoltaic devices
patent-application, September 2006
- Tsakalakos, Loucas; Lee, Ji-Ung; Korman, Charles
- US Patent Application 11/081967; 20060207647
Method for producing catalyst-free single crystal silicon nanowires, nanowires produced by the method and nanodevice comprising the nanowires
patent-application, June 2009
- Lee, Eun Kyung; Whang, Dongmok; Choi, Byoung Lyong
- US Patent Document 12/128362; 20090152527
Properties of gold in silicon
journal, February 1966
- Bullis, W. M.
- Solid-State Electronics, Vol. 9, Issue 2, p. 143-168
n-Type silicon photoelectrochemistry in methanol: Design of a 10.1% efficient semiconductor/liquid junction solar cell
journal, February 1983
- Gronet, C. M.; Lewis, N. S.; Cogan, G.
- Proceedings of the National Academy of Sciences, Vol. 80, Issue 4, p. 1152-1156
Techniques for use of nanotechnology in photovoltaics
patent, August 2011
- Guha, Supratik; Hamann, Hendrik F.; Tutuc, Emanuel
- US Patent Document 7,998,788
Dispersion, Wave Propagation and Efficiency Analysis of Nanowire Solar Cells
journal, June 2009
- Kupec, J.; Witzigmann, B.
- Optics Express, Vol. 17, Issue 12, p. 10399-10410
Microstructured silicon photodetector
journal, July 2006
- Huang, Zhihong; Carey, James E.; Liu, Mingguo
- Applied Physics Letters, Vol. 89, Issue 3
Solubility and Diffusivity of Gold, Iron, and Copper in Silicon
journal, December 1956
- Struthers, J. D.
- Journal of Applied Physics, Vol. 27, Issue 12, p. 1560-1560
Ultrathin silicon solar microcells for semitransparent, mechanically flexible and microconcentrator module designs
journal, October 2008
- Yoon, Jongseung; Baca, Alfred J.; Park, Sang-Il
- Nature Materials, Vol. 7, Issue 11, p. 907-915
Hydrogen gas production for electronic-grade polycrystalline silicon growth
conference, January 2002
- Ismail, H.; Hashim, U.; Ehsan, A.A.
- ICSE 2002. IEEE International Conference on Semiconductor Electronics
Method of Growing a Thin Film, a Method of Forming a Structure and a Device
patent-application, June 2011
- Lang, Christian; Huang, Ying Jun James; Altebaeumer, Thomas Heinz-Helmut
- US Patent Application 13/054975; 20110139209
Optical dispersion relations for amorphous semiconductors and amorphous dielectrics
journal, November 1986
- Forouhi, A. R.; Bloomer, I.
- Physical Review B, Vol. 34, Issue 10, p. 7018-7026
Photoelectric conversion device and method of production thereof
patent, November 2003
- Den, Tohru; Okura, Hiroshi
- US Patent Document 6,649,824
Single-nanowire Si solar cells
conference, May 2008
- Kelzenberg, M. D.; Turner-Evans, D. B.; Kayes, B. M.
- 2008 33rd IEEE Photovolatic Specialists Conference (PVSC)
Systems and methods for nanowire growth and manufacturing
patent-application, December 2005
- Niu, Chunming; Goldman, Jay L.; Duan, Xiangfeng
- US Patent Document 11/103642; 20050279274
Silicon Nanowire Radial p−n Junction Solar Cells
journal, June 2008
- Garnett, Erik C.; Yang, Peidong
- Journal of the American Chemical Society, Vol. 130, Issue 29, p. 9224-9225
Retention arrangement for a circuit interrupter
patent, September 2009
- Montante, Jorge R.; Ennis, Michael G.; Stavnes, Mark
- US Patent Document 7,592,555
Controlled nanowire growth in permanent, integrated nano-templates and methods of fabricating sensor and transducer structures
patent, July 2007
- Fonash, Stephen J.; Shan, Yinghui; Peng, Chih-Yi
- US Patent Document 7,238,594
Room temperature growth of CuO nanorod arrays on copper and their application as a cathode in dye-sensitized solar cells
journal, September 2005
- Anandan, Sambandam; Wen, Xiaogang; Yang, Shihe
- Materials Chemistry and Physics, Vol. 93, Issue 1, p. 35-40
Determination of diffusion length in photovoltaic crystalline silicon by modelisation of light beam induced current
journal, April 2009
- Sayad, Y.; Kaminski, A.; Blanc, D.
- Superlattices and Microstructures, Vol. 45, Issue 4-5, p. 393-401
Detailed Balance Limit of Efficiency of p‐n Junction Solar Cells
journal, March 1961
- Shockley, William; Queisser, Hans J.
- Journal of Applied Physics, Vol. 32, Issue 3, p. 510-519
Vertically Oriented Germanium Nanowires Grown from Gold Colloids on Silicon Substrates and Subsequent Gold Removal
journal, June 2007
- Woodruff, Jacob H.; Ratchford, Joshua B.; Goldthorpe, Irene A.
- Nano Letters, Vol. 7, Issue 6, p. 1637-1642
Poly(dimethylsiloxane) as a Material for Fabricating Microfluidic Devices
journal, April 2002
- McDonald, J. Cooper; Whitesides, George M.
- Accounts of Chemical Research, Vol. 35, Issue 7, p. 491-499
Synthesis of High Density, Size-Controlled Si Nanowire Arrays via Porous Anodic Alumina Mask
journal, January 2006
- Lombardi, Ilaria; Hochbaum, Allon I.; Yang, Peidong
- Chemistry of Materials, Vol. 18, Issue 4, p. 988-991
Synthesis of stoichiometric cadmium selenide films via sequential monolayer electrodeposition
journal, November 1991
- Kressin, Ann M.; Doan, Vincent V.; Klein, Jonathan D.
- Chemistry of Materials, Vol. 3, Issue 6, p. 1015-1020
Energy-Conversion Properties of Vapor-Liquid-Solid-Grown Silicon Wire-Array Photocathodes
journal, January 2010
- Boettcher, S. W.; Spurgeon, J. M.; Putnam, M. C.
- Science, Vol. 327, Issue 5962, p. 185-187
Electrical Characteristics and Chemical Stability of Non-Oxidized, Methyl-Terminated Silicon Nanowires
journal, June 2006
- Haick, Hossam; Hurley, Patrick T.; Hochbaum, Allon I.
- Journal of the American Chemical Society, Vol. 128, Issue 28, p. 8990-8991
Semiconductor nanowires surrounded by cylindrical Al2O3 shells
journal, November 2003
- Min, Byungdon; Lee, Jong Soo; Cho, Kyoungah
- Journal of Electronic Materials, Vol. 32, Issue 11, p. 1344-1348
Analysis of Optical Absorption in Silicon Nanowire Arrays for Photovoltaic Applications
journal, October 2007
- Hu, Lu; Chen, Gang
- Nano Letters, Vol. 7, Issue 11, p. 3249-3252
Large-area blown bubble films of aligned nanowires and carbon nanotubes
journal, May 2007
- Yu, Guihua; Cao, Anyuan; Lieber, Charles M.
- Nature Nanotechnology, Vol. 2, Issue 6, p. 372-377
Hybrid solar cells with vertically aligned CdTe nanorods and a conjugated polymer
journal, March 2005
- Kang, Yoonmook; Park, Nam-Gyu; Kim, Donghwan
- Applied Physics Letters, Vol. 86, Issue 11, 113101
Nano-wire solar cell or detector
patent-application, January 2012
- Huo, Yijie; Gu, Anjia; Harris, JR., James S.
- US Patent Application 13/065710; 20120006390
Growth of single crystal nanowires
patent, February 2008
- Hanrath, Tobias; Lu, Xianmao; Johnston, Keith P.
- US Patent Document 7,335,259
Nanowire light emitting device and method of fabricating the same
patent-application, October 2005
- Jin, Young-gu; Lee, Sung-hoon; Lee, Hyo-sug
- US Patent Document 11/100377; 20050227391
Methods of fabricating nanostructures and nanowires and devices fabricated therefrom
patent-application, November 2002
- Majumdar, Arun; Shakouri, Ali; Sands, Timothy D.
- US Patent Document 10/112698; 20020172820
Limiting efficiency of silicon solar cells
journal, May 1984
- Tiedje, T.; Yablonovitch, E.; Cody, G.D.
- IEEE Transactions on Electron Devices, Vol. 31, Issue 5, p. 711-716
Diameter-Controlled Synthesis of Silicon Nanowires Using Nanoporous Alumina Membranes
journal, January 2005
- Bogart, T. E.; Dey, S.; Lew, K.-K.
- Advanced Materials, Vol. 17, Issue 1, p. 114-117
Nanoparticle Plasmon Scattering Layer for Photovoltaic Cells
patent-application, February 2012
- Parce, J. Wallace; Chen, Jian
- US Patent Application 13/264020; 20120031486
Predicted efficiency of Si wire array solar cells
conference, June 2009
- Kelzenberg, M. D.; Putnam, M. C.; Turner-Evans, D. B.
- 2009 34th IEEE Photovoltaic Specialists Conference (PVSC)
Efficient photoinduced charge transfer in TiO2 nanorod/conjugated polymer hybrid materials
journal, November 2006
- Lin, Yu-Ting; Zeng, Tsung-Wei; Lai, Wei-Zong
- Nanotechnology, Vol. 17, Issue 23, p. 5781-5785
Limitations and Possibilities for Improvement of Photovoltaic Solar Energy Converters: Part I: Considerations for Earth's Surface Operation
journal, July 1960
- Wolf, M.
- Proceedings of the IRE, Vol. 48, Issue 7, p. 1246-1263
Molecular Nanojet in Water
journal, March 2009
- Goto, Masahiro; Kasahara, Akira; Tosa, Masahiro
- Applied Physics Express, Vol. 2, Issue 3, Article No. 035007
Molding technique for fabrication of optoelectronic devices
patent, August 2007
- Roscheisen, Martin R.; Sager, Brian M.; Fidanza, Jacqueline
- US Patent Document 7,253,017
Growth of Core–Shell InP Nanowires for Photovoltaic Application by Selective-Area Metal Organic Vapor Phase Epitaxy
journal, February 2009
- Goto, Hajime; Nosaki, Katsutoshi; Tomioka, Katsuhiro
- Applied Physics Express, Vol. 2, Issue 3, Article No. 035004
Three-dimensional nanopillar-array photovoltaics on low-cost and flexible substrates
journal, July 2009
- Fan, Zhiyong; Razavi, Haleh; Do, Jae-won
- Nature Materials, Vol. 8, Issue 8, p. 648-653
High Aspect Ratio Silicon Wire Array Photoelectrochemical Cells
journal, October 2007
- Maiolo, James R.; Kayes, Brendan M.; Filler, Michael A.
- Journal of the American Chemical Society, Vol. 129, Issue 41, p. 12346-12347
Photovoltaic And Photosensing Devices Based On Arrays Of Aligned Nanostructures
patent-application, January 2008
- Bettge, Martin; Burdin, Stephan; MacLaren, Scott
- US Patent Application 11/758599; 20080006319
Recombination Properties of the Gold Acceptor Level in Silicon using the Impurity Photovoltaic Effect
journal, July 1967
- Sah, C. T.; Tasch, A. F.; Schroder, D. K.
- Physical Review Letters, Vol. 19, Issue 2, p. 71-72
A 14% efficient nonaqueous semiconductor/liquid junction solar cell
journal, November 1984
- Gibbons, James F.; Cogan, George W.; Gronet, Chris M.
- Applied Physics Letters, Vol. 45, Issue 10, p. 1095-1097
New Facets of CdTe Electrodeposition in Acidic Solutions with Higher Tellurium Concentrations
journal, January 2004
- Lepiller, Catherine; Lincot, Daniel
- Journal of The Electrochemical Society, Vol. 151, Issue 5, p. C348-C357
Silicon optoelectronic device using silicon nanowire and method for preparing the same
patent-application, November 2005
- Choi, Heon Jin; Lee, Jung-Chul; Park, Young Ju
- US Patent Document 11/012698; 20050253138