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Small. 2013 Nov 25;9(22):3765-9. doi: 10.1002/smll.201300268. Epub 2013 May 5.

Colloidal synthesis of ternary AgFeS2 nanocrystals and their transformation to Ag2S-Fe7S8 heterodimers.

Author information

1
Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, University of Science and Technology of China, Lab of Mechanical and Material Science, School of Engineering Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China, Fax: +86 551 63603040.

Abstract

Ternary-/hetero-nanocrystals: a facile one-pot colloidal route for controlled synthesis of ternary AgFeS2 nanocrystals, which have a band gap of 1.21 eV, is presented for the first time. Such ternary AgFeS2 nanocrystals can transform to Ag2 S-Fe7 S8 heterodimers by internal thermal reaction at elevated temperature, providing a new route to synthesize semiconductor hetero-nanostructures.

KEYWORDS:

Ag2S; AgFeS2; Fe7S8; hetero-nanostructures; internal thermal reaction

PMID:
23650281
DOI:
10.1002/smll.201300268
[Indexed for MEDLINE]
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