| Alkyl chains of surface ligands affect polytypism of cdse nanocrystals and play an important role in the synthesis of anisotropic nanoheterostructures. | |
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MedLine Citation:
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PMID: 20964404 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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We show that the length of the alkyl chain of surface ligands can shift the equilibrium between the wurtzite and zinc blende polytypes of CdSe nanocrystals. In-situ wide-angle X-ray scattering measurements reveal that short-chain (e.g., propyl) phosphonic acids stabilize CdSe nanocrystals with the zinc blende phase whereas octadecylphosphonic acid stabilize nanocrystals with the wurtzite phase. We also demonstrate how this effect can be used to improve the shape selectivity in the synthesis of anisotropic CdSe/CdS and ZnSe/CdS nanoheterostructures. |
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Authors:
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Jing Huang; Maksym V Kovalenko; Dmitri V Talapin |
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Publication Detail:
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Type: Journal Article Date: 2010-10-22 |
Journal Detail:
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Title: Journal of the American Chemical Society Volume: 132 ISSN: 1520-5126 ISO Abbreviation: J. Am. Chem. Soc. Publication Date: 2010 Nov |
Date Detail:
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Created Date: 2010-11-11 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7503056 Medline TA: J Am Chem Soc Country: United States |
Other Details:
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Languages: eng Pagination: 15866-8 Citation Subset: - |
Affiliation:
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Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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