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Novel Route for the Preparation of CuSe and CuInSe2 Nanoparticles

Published online by Cambridge University Press:  09 August 2011

M. Azad Malik ,
Paul O'brien ,
N. Revaprasadu  and
G. Wakefield
M. Azad Malik
Affiliation:
Department of Chemistry, Imperial College of Science, Technology and Medicine, Exhibition Road, London, SW7 2AZ, UK.
Paul O'brien
Affiliation:
Department of Chemistry, Imperial College of Science, Technology and Medicine, Exhibition Road, London, SW7 2AZ, UK.
N. Revaprasadu
Affiliation:
Department of Chemistry, Imperial College of Science, Technology and Medicine, Exhibition Road, London, SW7 2AZ, UK. Department of Chemistry, University of Zululand, Private Bag XJ01, Kwadlangezwa, 3886. SA.
G. Wakefield
Affiliation:
Department of Engineering Science, University of Oxford, Oxford, OXI 3PJ. UK., [email protected]; [email protected]; [email protected]
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Abstract

Good quality, close to mono-dispersed, nanoparticles of CuSe and CuInSe2 have been prepared from thermolysis reactions in tri-n-octylphosphine oxide (TOPO). Bis(diethyldiselenocarbamato)-copper(II) ([Cu(Se2CNEt2] )2») was used to prepare CuSe and TOPSe, CuCI and InCl3 were reacted to form CuInSe2. HRTEM images showed that the particles have reasonable monodispersity and are crystalline. Clear lattice fringes were observed in single dots of CuInSe2 (ca. 4 nm) and CuSe (ca. 16 nm). The particles are capped with TOPO and the SAED pattern showed cubic CuInSe2 and hexagonal CuSe.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 536: Symposium F – Microcrystalline & Nanocrystalline Semiconductors - 1998 , 1998 , 371
Copyright
Copyright © Materials Research Society 1999

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