Source:http://linkedlifedata.com/resource/pubmed/id/20210350
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
4
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pubmed:dateCreated |
2010-4-27
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pubmed:abstractText |
Facile chemical approaches for the controllable synthesis of CuSe, CuInSe2 nanowire, and CuInSe2/CuInS2 core/shell nanocable bundles were developed. Hexagonal CuSe nanowire bundles with lengths up to hundreds of micrometers, consisting of many aligned nanowires with a diameter of about 10-15 nm, were prepared by reacting cubic Cu(2-x)Se nanowire bundles with a sodium citrate solution at room temperature. The CuSe nanowire bundles were then used as self-sacrificial templates for making bundles of tetragonal chalcopyrite CuInSe2 nanowires by reacting with InCl3 via a solvothermal process. Furthermore, bundles of CuInSe2/CuInS2 core/shell nanocables were obtained by adding sulfur to the reaction system, and the shell thickness of the polycrystalline CuInS2 in the nanocables increased with increasing S/Se molar ratios. It was found that the small radius of copper ions allows their fast outward diffusion from the interior to the surface of nanowires to react with sulfur atoms/anions and indium ions to form a CuInS2 shell. Enhanced optical absorption in the vis-NIR region of CuInSe2/CuInS2 core/shell nanocable bundles is demonstrated, which is considered beneficial for applications in optoelectronic devices and solar energy conversion.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Copper,
http://linkedlifedata.com/resource/pubmed/chemical/Indium,
http://linkedlifedata.com/resource/pubmed/chemical/Selenium,
http://linkedlifedata.com/resource/pubmed/chemical/Selenium Compounds,
http://linkedlifedata.com/resource/pubmed/chemical/copper indium diselenide,
http://linkedlifedata.com/resource/pubmed/chemical/cupric selenide
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pubmed:status |
MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
1936-086X
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pubmed:author | |
pubmed:issnType |
Electronic
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pubmed:day |
27
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pubmed:volume |
4
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1845-50
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pubmed:meshHeading |
pubmed-meshheading:20210350-Copper,
pubmed-meshheading:20210350-Indium,
pubmed-meshheading:20210350-Microscopy, Electron, Scanning,
pubmed-meshheading:20210350-Microscopy, Electron, Transmission,
pubmed-meshheading:20210350-Nanowires,
pubmed-meshheading:20210350-Selenium,
pubmed-meshheading:20210350-Selenium Compounds,
pubmed-meshheading:20210350-Temperature,
pubmed-meshheading:20210350-X-Ray Diffraction
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pubmed:year |
2010
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pubmed:articleTitle |
Large-scale synthesis and phase transformation of CuSe, CuInSe2, and CuInSe2/CuInS2 core/shell nanowire bundles.
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pubmed:affiliation |
Center of Super-Diamond and Advanced Films (COSDAF), and Department of Physics and Materials Science, City University of Hong Kong, Hong Kong SAR, People's Republic of China.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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