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Title: Shaped nanocrystal particles and methods for making the same

Patent ·
OSTI ID:1111135

Shaped nanocrystal particles and methods for making shaped nanocrystal particles are disclosed. One embodiment includes a method for forming a branched, nanocrystal particle. It includes (a) forming a core having a first crystal structure in a solution, (b) forming a first arm extending from the core having a second crystal structure in the solution, and (c) forming a second arm extending from the core having the second crystal structure in the solution.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC03-76SF00098
Assignee:
The Regents of the University of California (Oakland, CA)
Patent Number(s):
8,608,848
Application Number:
13/267,170
OSTI ID:
1111135
Country of Publication:
United States
Language:
English

References (142)

Quantum-Sized PbS, CdS, Ag2S, Sb2S3, and Bi2S3 Particles as Sensitizers for Various Nanoporous Wide-Bandgap Semiconductors journal March 1994
Strain Evolution in Coherent Ge / Si Islands journal February 2000
Conjugated polymer-acceptor heterojunctions; diodes, photodiodes, and photovoltaic cells patent October 1995
Self-Organization of CdSe Nanocrystallites into Three-Dimensional Quantum Dot Superlattices journal November 1995
Comparative study of performance of CdTe, CdSe and CdS thin films-based photoelectrochemical solar cells journal January 2000
Nanocrystals having polynucleotide strands and their use to form dendrimers in a signal amplification system patent July 2001
Organo luminescent semiconductor nanocrystal probes for biological applications and process for making and using such probes patent July 2002
Highly Polarized Photoluminescence and Photodetection from Single Indium Phosphide Nanowires journal August 2001
Dye-based donor/acceptor solar cells journal February 2000
Structural and spectroscopic investigations of CdS/HgS/CdS quantum-dot quantum wells journal May 1996
Fabrication and Characterization of the Plate-Shaped γ-Fe 2 O 3 Nanocrystals journal March 2002
X-Ray and Crystallographic Studies of Plant Virus Preparations: i. Introduction and Preparation of Specimens ii. Modes of Aggregation of the Virus Particles journal September 1941
The Shape Transition of Gold Nanorods journal February 1999
The electroluminescent and photodiode device made of a polymer blend journal May 1996
Novel photoelectrochromic cells containing a polyaniline layer and a dye-sensitized nanocrystalline TiO2 photovoltaic cell journal May 1998
Photoinduced Conversion of Silver Nanospheres to Nanoprisms journal November 2001
Electroluminescent devices formed using semiconductor nanocrystals as an electron transport media and method of making such electroluminescent devices patent July 1996
Exciton diffusion and dissociation in a poly(p‐phenylenevinylene)/C60 heterojunction photovoltaic cell journal May 1996
Reverse Micelle Based Formation of BaCO 3 Nanowires journal May 1997
Process for making surfactant capped nanocrystals patent August 2002
Interaction of Oxygen with Conjugated Polymers:  Charge Transfer Complex Formation with Poly(3-alkylthiophenes) journal May 1997
Total Alignment of Calcite at Acidic Polydiacetylene Films: Cooperativity at the Organic-Inorganic Interface journal July 1995
Shaped nanocrystal particles and methods for making the same patent February 2005
Organo Luminescent semiconductor nanocrystal probes for biological applications and process for making and using such probes patent November 1999
Solid-state dye-sensitized mesoporous TiO2 solar cells with high photon-to-electron conversion efficiencies journal October 1998
Scaffold-organized clusters and electronic devices made using such clusters patent-application February 2002
A low-cost, high-efficiency solar cell based on dye-sensitized colloidal TiO2 films journal October 1991
Simple Criterion for Wurtzite-Zinc-Blende Polytypism in Semiconductors journal October 1998
One-dimensional nanostructures: Chemistry, physics & applications journal August 1998
Formation of High-Quality CdTe, CdSe, and CdS Nanocrystals Using CdO as Precursor journal January 2001
Electroluminescence from CdSe quantum‐dot/polymer composites journal March 1995
Formation and Morphology of Calcium Sulfate Nanoparticles and Nanowires in Water-in-Oil Microemulsions journal March 1999
Charge separation and transport in conjugated-polymer/semiconductor-nanocrystal composites studied by photoluminescence quenching and photoconductivity journal December 1996
A numerical investigation of nematic ordering based on a simple hard‐rod model journal October 1987
Photosensitization of Nanoporous TiO 2 Electrodes with InP Quantum Dots journal June 1998
Organic photovoltaic element patent September 1994
Nanocrystalline Thin-Film PV Cells journal October 1993
A new method for preparation of zinc oxide whiskers journal July 1999
Colloidal Nanocrystal Shape and Size Control: The Case of Cobalt journal March 2001
Demonstrating Electron Transfer and Nanotechnology: A Natural Dye-Sensitized Nanocrystalline Energy Converter journal June 1998
Characteristics of Poly( p-pyridyl vinylene)/Poly(3-alkylthiophene) Heterojunction Photocell journal March 1997
Novel photovoltaic devices based on donor-acceptor molecular and conducting polymer systems journal January 1997
Smart polymer image processor patent September 1998
Shape-Controlled Synthesis of Colloidal Platinum Nanoparticles journal June 1996
Semiconductor nanocrystal probes for biological applications and process for making and using such probes patent March 2001
Conjugated polymer - acceptor heterojunctions; diodes, photodiodes, and photovoltaic cells patent July 1994
Efficient photodetectors and photovoltaic cells from composites of fullerenes and conjugated polymers: photoinduced electron transfer journal January 1997
Photogeneration, charge transport, and photoconductivity of a novel PVK/CdS-nanocrystal polymer composite journal July 1999
Particulate semiconductors and devices patent November 1986
Preparation of III-V semiconductor nanocrystals patent April 1996
Self-Organized Discotic Liquid Crystals for High-Efficiency Organic Photovoltaics journal August 2001
Low driving voltage polymer dispersed liquid crystal display device with conductive nanoparticles patent December 1998
Semiconductor Nanorod Liquid Crystals journal June 2002
Mechanisms of the Shape Evolution of CdSe Nanocrystals journal February 2001
Multiple liquid crystal phases of DNA at high concentrations journal February 1988
Inorganic lyotropic liquid crystals journal January 1998
Organization of 'nanocrystal molecules' using DNA journal August 1996
Predictions and systematizations of the zinc-blende–wurtzite structural energies in binary octet compounds journal May 1992
Field-activated structural traps at organic pigment/metal interfaces causing photocurrent multiplication phenomena journal November 1998
Semiconductor nanocrystals covalently bound to solid inorganic surfaces using self-assembled monolayers patent May 1998
Shape control of CdSe nanocrystals journal March 2000
Coupled synthesis and self-assembly of nanoparticles to give structures with controlled organization journal November 1999
Surface derivatization and isolation of semiconductor cluster molecules journal May 1988
Analysis of the photocurrent action spectra of MEH-PPV polymer photodiodes journal March 1997
Process for forming shaped group II-VI semiconductor nanocrystals, and product formed using process patent May 2001
Lock system for motor vehicle with sliding door patent January 1997
Imperfect Oriented Attachment: Dislocation Generation in Defect-Free Nanocrystals journal August 1998
Low temperature thin films formed from nanocrystal precursors patent November 1993
Dual function conducting polymer diodes patent April 1996
Large clusters and colloids. Metals in the embryonic state journal December 1992
Coexistence of two liquid crystalline phases in poly(γ-benzyl-α, L-glutamate) solutions journal July 1990
Studies on the strength and wear resistance of tetrapod-shaped ZnO whisker-reinforced rubber composites journal January 2001
Phase transitions in lyotropic colloidal and polymer liquid crystals journal August 1992
Epitaxial Growth of Zinc Oxide Whiskers by Chemical-Vapor Deposition under Atmospheric Pressure journal May 1999
Nearly Monodisperse and Shape-Controlled CdSe Nanocrystals via Alternative Routes:  Nucleation and Growth journal April 2002
Synthesis and characterization of nearly monodisperse CdE (E = sulfur, selenium, tellurium) semiconductor nanocrystallites journal September 1993
Kinetics of II-VI and III-V Colloidal Semiconductor Nanocrystal Growth:  “Focusing” of Size Distributions journal June 1998
Semiconducting polymer diodes: Large size, low cost photodetectors with excellent visible‐ultraviolet sensitivity journal June 1994
Solution-Liquid-Solid Growth of Crystalline III-V Semiconductors: An Analogy to Vapor-Liquid-Solid Growth journal December 1995
The photovoltaic response in poly(p-phenylene vinylene) thin-film devices journal February 1994
Method of preparing a photovoltaic device patent January 2000
Process for producing chalcogenide semiconductors patent February 1987
Photodetector device having a semiconductive conjugated polymer patent June 1996
Quantum size effects in nanocrystalline semiconducting titania layers prepared by anodic oxidative hydrolysis of titanium trichloride journal September 1993
Charge- and energy-transfer processes at polymer/polymer interfaces: A joint experimental and theoretical study journal August 1999
Photoresponsive materials patent December 1997
Laminated fabrication of polymeric photovoltaic diodes journal September 1998
Control of Thickness and Orientation of Solution-Grown Silicon Nanowires journal February 2000
Zinc-blende–wurtzite polytypism in semiconductors journal October 1992
Photovoltaic cells patent September 1994
Semiconducting superlattices templated by molecular assemblies journal March 1996
Chemistry and Physics in One Dimension: Synthesis and Properties of Nanowires and Nanotubes journal February 1999
The photovoltaic effect in a poly(p-phenylenevinylene)/perylene heterojunction journal March 1997
Integrated circuit trenched features and method of producing same patent-application January 2002
Photoinduced electron transfer from conjugated polymers to CdSe nanocrystals journal April 1999
Controlled Synthesis of Multi-armed CdS Nanorod Architectures Using Monosurfactant System journal May 2001
Zinc oxide whiskers journal November 1997
Simple Solution-Phase Synthesis of Soluble CdS and CdSe Nanorods journal June 2000
Synthesis and optical properties of tetrapod-like zinc oxide nanorods journal May 2002
Quantum crystallites and nonlinear optics journal December 1991
Linearly Polarized Emission from Colloidal Semiconductor Quantum Rods journal May 2001
Nanowire Nanosensors for Highly Sensitive and Selective Detection of Biological and Chemical Species journal August 2001
Two‐layer organic photovoltaic cell journal January 1986
Structural and electronic properties of cubic, 2 H , 4 H , and 6 H SiC journal February 1994
CdSe photovoltaic sintered films journal November 1999
Dual‐function semiconducting polymer devices: Light‐emitting and photodetecting diodes journal March 1994
Charge Recombination in Dye-Sensitized Nanocrystalline TiO 2 Solar Cells journal April 1997
Charge separation in localized and delocalized electronic states in polymeric semiconductors journal April 1998
Improved efficiencies in light emitting diodes made with CdSe(CdS) core/shell type nanocrystals and a semiconducting polymer journal December 1997
Spatially Resolved Visible Luminescence of Self-Assembled Semiconductor Quantum Dots journal March 1995
Semiconductor Clusters, Nanocrystals, and Quantum Dots journal February 1996
Crystal network formation in organic solar cells journal February 2000
Mineral liquid crystalline polymers journal January 1997
Charge separation and photovoltaic conversion in polymer composites with internal donor/acceptor heterojunctions journal October 1995
Integrated Optoelectronic Devices Based on Conjugated Polymers journal June 1998
Gold Nanorods:  Electrochemical Synthesis and Optical Properties journal August 1997
Control of the Shape of Copper Metallic Particles by Using a Colloidal System as Template journal February 1997
Hybrid Nanorod-Polymer Solar Cells journal March 2002
Efficient organic photovoltaic diodes based on doped pentacene journal January 2000
Synthesis and Magnetic Studies of Uniform Iron Nanorods and Nanospheres journal September 2000
Hybrid organic–inorganic photovoltaïc junctions: case of the all thin-film CdSe/poly(3-methylthiophene) junction journal April 1998
Band Gap Variation of Size- and Shape-Controlled Colloidal CdSe Quantum Rods journal July 2001
Photoresponsive device with a photoresponsive zone comprising a polymer blend patent September 1997
2.5% efficient organic plastic solar cells journal February 2001
Structural phase behavior in II–VI semiconductor nanoparticles journal August 1995
How molecular beam epitaxy (MBE) began and its projection into the future journal May 1999
Process for forming shaped group III-V semiconductor nanocrystals, and product formed using process patent October 2001
Isotropic-nematic phase separation of a dispersion of organophilic boehmite rods journal November 1993
Synthesis and characterization of carbide nanorods journal June 1995
A DNA-based method for rationally assembling nanoparticles into macroscopic materials journal August 1996
Light-emitting diodes made from cadmium selenide nanocrystals and a semiconducting polymer journal August 1994
Donor polymer (PAT6) — acceptor polymer (CNPPV) fractal network photocells journal March 1997
Polymer Photovoltaic Cells: Enhanced Efficiencies via a Network of Internal Donor-Acceptor Heterojunctions journal December 1995
Efficient photodiodes from interpenetrating polymer networks journal August 1995
Photo-electrochemistry at polymer/semiconductor interface Characterization of surface modified CdS based photovoltaic cells journal January 1999
Integrated circuit trenched features and method of producing same patent August 2001
Conversion of light to electricity by cis-X2bis(2,2'-bipyridyl-4,4'-dicarboxylate)ruthenium(II) charge-transfer sensitizers (X = Cl-, Br-, I-, CN-, and SCN-) on nanocrystalline titanium dioxide electrodes journal July 1993
The future of the fullerenes journal August 1998
Growth of CdTe smoke particles prepared by gas evaporation technique journal July 1983
High efficiency polymer photodiodes journal June 1999
Photodiode performance and nanostructure of polythiophene/C60 blends journal January 1997
Method for the manufacture of a photo-electrochemical cell and a cell made by this method patent June 1996