MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
Morphology and Composition-Controls of CuxS Nanocrystals Using Alkyl-Amine Ligands
Keiichi ItohToshihiro KuzuyaKenji Sumiyama
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2006 Volume 47 Issue 8 Pages 1953-1956

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Abstract

Nearly monodispersed-size CuxS nanocrystals(NCs) were obtained by sulfuration of Cu(II)-alkyl-amine complexes using dodecanethiol-solvated sulfur at 363 K. The morphology and chemical composition of CuxS NCs can be controlled by using appropriate alkyl-amine ligands. NCs of Cu-deficient sulfides, Cu1.8S (digenite) or a Cu1.8S-Cu2S mixture, were obtained using octylamine or di-octylamine, while stoichiometric Cu2S NCs using tri-octylamine and oleylamine ligands.

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© 2006 The Japan Institute of Metals and Materials
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