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Nanoparticulate film precursors to cis solar cells: Spray deposition of Cu-In-Se colloids

Published online by Cambridge University Press:  10 February 2011

D. L. Schulz ,
C. J. Curtis ,
R. A. Flitton  and
D. S. Ginley
D. L. Schulz
Affiliation:
National Renewable Energy Laboratory, 1617 Cole Blvd., Golden, CO 80401-3393
C. J. Curtis
Affiliation:
National Renewable Energy Laboratory, 1617 Cole Blvd., Golden, CO 80401-3393
R. A. Flitton
Affiliation:
National Renewable Energy Laboratory, 1617 Cole Blvd., Golden, CO 80401-3393
D. S. Ginley
Affiliation:
National Renewable Energy Laboratory, 1617 Cole Blvd., Golden, CO 80401-3393
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Abstract

The use of nanoparticle colloids for spray deposition of Cu-In-Se precursor films and subsequent thermal treatment to form CuInSe2 (CIS) films has been investigated. In the present study, the metathesis reaction between Na2Se in methanol and metal salts (i.e., Cu(BF4)2 and/or InI3) in pyridine produced CuSe, In2Se3, and CuInSe2.5 nanoparticle colloids. Purified colloid was sprayed onto heated molybdenum-coated sodalime glass substrates to form CuInSe2.5/Mo and In2Se3/CuSe/Mo precursor films. These precursor films were subjected to various thermal treatments in an effort to produce large-grained CIS films from the nano-sized precursors. The annealed CIS films were characterized by scanning electron microscopy (SEM) and x-ray diffraction (XRD). Results of this continuing effort will be discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 501: Symposium FF – Surface Controlled Nanoscale Materials for High-Added… , 1997 , 375
Copyright
Copyright © Materials Research Society 1998

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References

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