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Room-Temperature Synthesis of CuInQ2 (Q = S or Se) in Non-Aqueous Solution Using an Organoindium Reagent

Published online by Cambridge University Press:  22 February 2011

Aloysius F. Hepp ,
Maria T. Andras ,
Christopher C. Landry  and
Andrew R. Barron
Aloysius F. Hepp
Affiliation:
NASA Lewis Research Center, M.S. 302-1, Cleveland, OH 44135
Maria T. Andras
Affiliation:
NASA Lewis Research Center, M.S. 302-1, Cleveland, OH 44135 National Research Council/NASA Lewis Research Center Resident Research Associate
Christopher C. Landry
Affiliation:
Department of Chemistry, Harvard University, Cambridge, MA 02138
Andrew R. Barron
Affiliation:
Department of Chemistry, Harvard University, Cambridge, MA 02138
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Abstract

We have discovered a novel two-phase synthesis of CuInSe2 at 25° from Cu2Se and (C5H5)3In in 4-methylpyridine (4-MePy). An analogous reaction to produce CulnS2 must be run at 140°C in refluxing 4-MePy in the presence of 2-mercaptopyridine. Microscopy of CuInSe2 produced at 25°C shows it to be platelet-shaped crystallites with an approximate particle size of 10 microns, less than 2% C and H, with a small amount of unidentified crystalline impurity. Our results demonstrate that it is possible to produce from solution a material that is ordinarily synthesized in bulk or films at much higher temperatures or using extraneous reagents and/or electrons.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 327: Symposium N – Covalent Ceramics II: Non-Oxides , 1993 , 83
Copyright
Copyright © Materials Research Society 1994

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