Selection of nanoparticles using CO.sub.2-expanded liquids

Roberts, Christopher B; McLeod, Marshall Chandler; Anand, Madhu

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Title: Selection of nanoparticles using CO.sub.2-expanded liquids

Abstract

A method for size selection of nanostructures comprising utilizing a gas-expanded liquids (GEL) and controlled pressure to precipitate desired size populations of nanostructures, e.g., monodisperse. The GEL can comprise CO.sub.2 antisolvent and an organic solvent. The method can be carried out in an apparatus comprising a first open vessel configured to allow movement of a liquid/particle solution to specific desired locations within the vessel, a second pressure vessel, a location controller for controlling location of the particles and solution within the first vessel, a inlet for addition of antisolvent to the first vessel, and a device for measuring the amount of antisolvent added. Also disclosed is a method for forming nanoparticle thin films comprising utilizing a GEL containing a substrate, pressurizing the solution to precipitate and deposit nanoparticles onto the substrate, removing the solvent thereby leaving a thin nanoparticle film, removing the solvent and antisolvent, and drying the film.

Inventors:: Roberts, Christopher B; McLeod, Marshall Chandler; Anand, Madhu

Issue Date:: Tue Feb 19 00:00:00 EST 2013

Research Org.:: Auburn University (Auburn, AL)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1082913

Patent Number(s):: 8377831

Application Number:: 12/082,189

Assignee:: Auburn University (Auburn, AL)

Patent Classifications (CPCs):: B - PERFORMING OPERATIONS B05 - SPRAYING OR ATOMISING IN GENERAL B05D - PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL

B - PERFORMING OPERATIONS B82 - NANOTECHNOLOGY B82Y - SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES

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B - PERFORMING OPERATIONS B05 - SPRAYING OR ATOMISING IN GENERAL B05D - PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
B05D1/18 - performed by dipping
B05D2401/32 - applied as powders
B05D2401/90 - at least one component of the composition being in supercritical state or close to supercritical state

B - PERFORMING OPERATIONS B82 - NANOTECHNOLOGY B82Y - SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
B82Y30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites

C - CHEMISTRY C30 - CRYSTAL GROWTH C30B - SINGLE-CRYSTAL-GROWTH
C30B29/605 - {Products containing multiple oriented crystallites, e.g. columnar crystallites}
C30B7/00 - Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
C30B7/005 - {Epitaxial layer growth}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S977/70 - Nanostructure
Y10S977/773 - Nanoparticle, i.e. structure having three dimensions of 100 nm or less

Show less

DOE Contract Number:: FG02-01ER15255

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 77 NANOSCIENCE AND NANOTECHNOLOGY

Citation Formats


                    Roberts, Christopher B, McLeod, Marshall Chandler, and Anand, Madhu. Selection of nanoparticles using CO.sub.2-expanded liquids.  United States: N. p., 2013. 
        Web.

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                    Roberts, Christopher B, McLeod, Marshall Chandler, & Anand, Madhu. Selection of nanoparticles using CO.sub.2-expanded liquids.  United States.

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                    Roberts, Christopher B, McLeod, Marshall Chandler, and Anand, Madhu. Tue .  
        "Selection of nanoparticles using CO.sub.2-expanded liquids".  United States.  https://www.osti.gov/servlets/purl/1082913.

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@article{osti_1082913,

  title        = {Selection of nanoparticles using CO.sub.2-expanded liquids},

  author       = {Roberts, Christopher B and McLeod, Marshall Chandler and Anand, Madhu},

  abstractNote = {A method for size selection of nanostructures comprising utilizing a gas-expanded liquids (GEL) and controlled pressure to precipitate desired size populations of nanostructures, e.g., monodisperse. The GEL can comprise CO.sub.2 antisolvent and an organic solvent. The method can be carried out in an apparatus comprising a first open vessel configured to allow movement of a liquid/particle solution to specific desired locations within the vessel, a second pressure vessel, a location controller for controlling location of the particles and solution within the first vessel, a inlet for addition of antisolvent to the first vessel, and a device for measuring the amount of antisolvent added. Also disclosed is a method for forming nanoparticle thin films comprising utilizing a GEL containing a substrate, pressurizing the solution to precipitate and deposit nanoparticles onto the substrate, removing the solvent thereby leaving a thin nanoparticle film, removing the solvent and antisolvent, and drying the film.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Feb 19 00:00:00 EST 2013},

  month        = {Tue Feb 19 00:00:00 EST 2013}

}

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Similar Records

Title: Selection of nanoparticles using CO.sub.2-expanded liquids

Abstract

Citation Formats

Solvent Effects on the Growth and Steric Stabilization of Copper Metallic Nanoparticles in AOT Reverse Micelle Systems journal, October 2003

Photoluminescence from nanosize gold clusters journal, June 1998

Phase separation by gas evolution patent, November 1994

Deposition of dispersed metal particles onto substrates using supercritical fluids patent, October 2005

Finely Controlled Size-Selective Precipitation and Separation of CdSe/ZnS Semiconductor Nanocrystals Using CO 2 -Gas-Expanded Liquids journal, June 2007

Synthesis and characterization of nearly monodisperse CdE (E = sulfur, selenium, tellurium) semiconductor nanocrystallites journal, September 1993

Size-selective separation of gold nanoparticles using isoelectric focusing electrophoresis (IEF) journal, January 2005

Measurement of diffusion coefficients in supercritical carbon dioxide and correlation with the equation of Wilke and Chang journal, April 1987

The color of colloidal gold journal, January 1954

Precise and Rapid Size Selection and Targeted Deposition of Nanoparticle Populations Using CO 2 Gas Expanded Liquids journal, March 2005

Photochemistry of colloidal semiconductors. 30. HPLC investigation of small CdS particles journal, March 1989

Gas-Expanded Liquids journal, June 2007

Controlled Nucleation for the Regulation of the Particle Size in Monodisperse Gold Suspensions journal, January 1973

Synthesis of thiol-derivatised gold nanoparticles in a two-phase Liquid–Liquid system journal, January 1994

Extracting metals directly from metal oxides patent, February 1997

Size-Selective Dispersion of Dodecanethiol-Coated Nanocrystals in Liquid and Supercritical Ethane by Density Tuning journal, March 2002

Process and apparatus for size selective separation of micro- and nano-particles patent, September 2000

Synthesis and Characterization of Monodisperse Nanocrystals and Close-Packed Nanocrystal Assemblies journal, August 2000

Recent developments in the preparation and properties of nanometer-size spherical and platelet-shaped particles and composite particles journal, August 1998

Rapid Purification and Size Separation of Gold Nanoparticles via Diafiltration journal, March 2006

Phase equilibria and thermophysical properties of carbon dioxide-expanded fluorinated solvents journal, April 2003

Metal Nanocrystal Superlattice Nucleation and Growth journal, February 2004

Tunable Solvation Effects on the Size-Selective Fractionation of Metal Nanoparticles in CO 2 Gas-Expanded Solvents journal, December 2005

Role of Steric Stabilization on the Arrested Growth of Silver Nanocrystals in Supercritical Carbon Dioxide journal, November 2002

Method for precipitation of small medicament particles into use containers patent, June 2010

Thermodynamic Analysis of Nanoparticle Size Selective Fractionation Using Gas-Expanded Liquids journal, February 2008

Seeding Growth for Size Control of 5−40 nm Diameter Gold Nanoparticles journal, October 2001

Selection and deposition of nanoparticles using CO2-expanded liquids patent, June 2008

Precise Seed-Mediated Growth and Size-Controlled Synthesis of Palladium Nanoparticles Using a Green Chemistry Approach journal, June 2009

HPLC of Monolayer-Protected Gold Nanoclusters journal, January 2003

Tuning Solvents for Sustainable Technology journal, December 2000

Separation of Nanoparticles by Gel Electrophoresis According to Size and Shape journal, September 2007

The effect of nanoparticles on rough surface adhesion journal, May 2006

Solvent Effects on the Growth and Steric Stabilization of Copper Metallic Nanoparticles in AOT Reverse Micelle Systems
journal, October 2003

Photoluminescence from nanosize gold clusters
journal, June 1998

Phase separation by gas evolution
patent, November 1994

Deposition of dispersed metal particles onto substrates using supercritical fluids
patent, October 2005

Finely Controlled Size-Selective Precipitation and Separation of CdSe/ZnS Semiconductor Nanocrystals Using CO ₂ -Gas-Expanded Liquids
journal, June 2007

Synthesis and characterization of nearly monodisperse CdE (E = sulfur, selenium, tellurium) semiconductor nanocrystallites
journal, September 1993

Size-selective separation of gold nanoparticles using isoelectric focusing electrophoresis (IEF)
journal, January 2005

Measurement of diffusion coefficients in supercritical carbon dioxide and correlation with the equation of Wilke and Chang
journal, April 1987

The color of colloidal gold
journal, January 1954

Precise and Rapid Size Selection and Targeted Deposition of Nanoparticle Populations Using CO ₂ Gas Expanded Liquids
journal, March 2005

Photochemistry of colloidal semiconductors. 30. HPLC investigation of small CdS particles
journal, March 1989

Gas-Expanded Liquids
journal, June 2007

Controlled Nucleation for the Regulation of the Particle Size in Monodisperse Gold Suspensions
journal, January 1973

Synthesis of thiol-derivatised gold nanoparticles in a two-phase Liquid–Liquid system
journal, January 1994

Extracting metals directly from metal oxides
patent, February 1997

Size-Selective Dispersion of Dodecanethiol-Coated Nanocrystals in Liquid and Supercritical Ethane by Density Tuning
journal, March 2002

Process and apparatus for size selective separation of micro- and nano-particles
patent, September 2000

Synthesis and Characterization of Monodisperse Nanocrystals and Close-Packed Nanocrystal Assemblies
journal, August 2000

Recent developments in the preparation and properties of nanometer-size spherical and platelet-shaped particles and composite particles
journal, August 1998

Rapid Purification and Size Separation of Gold Nanoparticles via Diafiltration
journal, March 2006

Phase equilibria and thermophysical properties of carbon dioxide-expanded fluorinated solvents
journal, April 2003

Metal Nanocrystal Superlattice Nucleation and Growth
journal, February 2004

Tunable Solvation Effects on the Size-Selective Fractionation of Metal Nanoparticles in CO ₂ Gas-Expanded Solvents
journal, December 2005

Role of Steric Stabilization on the Arrested Growth of Silver Nanocrystals in Supercritical Carbon Dioxide
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Method for precipitation of small medicament particles into use containers
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Thermodynamic Analysis of Nanoparticle Size Selective Fractionation Using Gas-Expanded Liquids
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Seeding Growth for Size Control of 5−40 nm Diameter Gold Nanoparticles
journal, October 2001

Selection and deposition of nanoparticles using CO2-expanded liquids
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Precise Seed-Mediated Growth and Size-Controlled Synthesis of Palladium Nanoparticles Using a Green Chemistry Approach
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