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Title: Composite materials with metal oxide attached to lead chalcogenide nanocrystal quantum dots with linkers

Abstract

Composite materials useful for devices such as photoelectrochemical solar cells include a substrate, a metal oxide film on the substrate, nanocrystalline quantum dots (NQDs) of lead sulfide, lead selenide, and lead telluride, and linkers that attach the NQDs to the metal oxide film. Suitable linkers preserve the 1s absorption peak of the NQDs. A suitable linker has a general structure A-B-C where A is a chemical group adapted for binding to a MO.sub.x and C is a chemical group adapted for binding to a NQD and B is a divalent, rigid, or semi-rigid organic spacer moiety. Other linkers that preserve the 1s absorption peak may also be used.

Inventors:
; ; ;
Issue Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1165445
Patent Number(s):
8911887
Application Number:
13/274,071
Assignee:
Los Alamos National Security, LLC (Los Alamos, NM)
Patent Classifications (CPCs):
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01G - CAPACITORS
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DOE Contract Number:  
AC52-06NA25396
Resource Type:
Patent
Resource Relation:
Patent File Date: 2011 Oct 14
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; 36 MATERIALS SCIENCE; 77 NANOSCIENCE AND NANOTECHNOLOGY

Citation Formats

Fuke, Nobuhiro, Koposov, Alexey Y, Sykora, Milan, and Hoch, Laura. Composite materials with metal oxide attached to lead chalcogenide nanocrystal quantum dots with linkers. United States: N. p., 2014. Web.
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Fuke, Nobuhiro, Koposov, Alexey Y, Sykora, Milan, & Hoch, Laura. Composite materials with metal oxide attached to lead chalcogenide nanocrystal quantum dots with linkers. United States.
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Fuke, Nobuhiro, Koposov, Alexey Y, Sykora, Milan, and Hoch, Laura. Tue . "Composite materials with metal oxide attached to lead chalcogenide nanocrystal quantum dots with linkers". United States. https://www.osti.gov/servlets/purl/1165445.
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@article{osti_1165445,
title = {Composite materials with metal oxide attached to lead chalcogenide nanocrystal quantum dots with linkers},
author = {Fuke, Nobuhiro and Koposov, Alexey Y and Sykora, Milan and Hoch, Laura},
abstractNote = {Composite materials useful for devices such as photoelectrochemical solar cells include a substrate, a metal oxide film on the substrate, nanocrystalline quantum dots (NQDs) of lead sulfide, lead selenide, and lead telluride, and linkers that attach the NQDs to the metal oxide film. Suitable linkers preserve the 1s absorption peak of the NQDs. A suitable linker has a general structure A-B-C where A is a chemical group adapted for binding to a MO.sub.x and C is a chemical group adapted for binding to a NQD and B is a divalent, rigid, or semi-rigid organic spacer moiety. Other linkers that preserve the 1s absorption peak may also be used.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {12}
}
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Works referenced in this record:

Quantum dot solar cell
patent-application, November 2009

Quantum-Dot-Sensitized Solar Cells
journal, July 2010

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