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Nano Lett. 2013 Apr 10;13(4):1840-6. doi: 10.1021/nl400609t. Epub 2013 Mar 18.

High-index facets in gold nanocrystals elucidated by coherent electron diffraction.

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1
Center for Microanalysis of Materials, Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.

Abstract

Characterization of high-index facets in noble metal nanocrystals for plasmonics and catalysis has been a challenge due to their small sizes and complex shapes. Here, we present an approach to determine the high-index facets of nanocrystals using streaked Bragg reflections in coherent electron diffraction patterns, and provide a comparison of high-index facets on unusual nanostructures such as trisoctahedra. We report new high-index facets in trisoctahedra and previous unappreciated diversity in facet sharpness.

PMID:
23484620
PMCID:
PMC3659235
DOI:
10.1021/nl400609t
[Indexed for MEDLINE]
Free PMC Article
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