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Spray Pyrolysis of CuIn(S,Se)2 Thin Films Using Hydrazine-based Solutions

Published online by Cambridge University Press:  22 January 2014

Zhaoning Song ,
Adam B. Phillips ,
Patrick Krantz ,
Tejas Prabhakar ,
Rajendra R. Khanal ,
Yao Xie ,
Jonathan L. DeWitt ,
Jon M. Stone  and
Michael J. Heben
Zhaoning Song
Affiliation:
Wright Center for Photovoltaics Innovation and Commercialization, School for Solar and Advanced Renewable Energy, Department of Physics and Astronomy, The University of Toledo, Toledo, OH 43606, U.S.A.
Adam B. Phillips
Affiliation:
Wright Center for Photovoltaics Innovation and Commercialization, School for Solar and Advanced Renewable Energy, Department of Physics and Astronomy, The University of Toledo, Toledo, OH 43606, U.S.A.
Patrick Krantz
Affiliation:
Wright Center for Photovoltaics Innovation and Commercialization, School for Solar and Advanced Renewable Energy, Department of Physics and Astronomy, The University of Toledo, Toledo, OH 43606, U.S.A.
Tejas Prabhakar
Affiliation:
Wright Center for Photovoltaics Innovation and Commercialization, School for Solar and Advanced Renewable Energy, Department of Physics and Astronomy, The University of Toledo, Toledo, OH 43606, U.S.A.
Rajendra R. Khanal
Affiliation:
Wright Center for Photovoltaics Innovation and Commercialization, School for Solar and Advanced Renewable Energy, Department of Physics and Astronomy, The University of Toledo, Toledo, OH 43606, U.S.A.
Yao Xie
Affiliation:
Wright Center for Photovoltaics Innovation and Commercialization, School for Solar and Advanced Renewable Energy, Department of Physics and Astronomy, The University of Toledo, Toledo, OH 43606, U.S.A.
Jonathan L. DeWitt
Affiliation:
Wright Center for Photovoltaics Innovation and Commercialization, School for Solar and Advanced Renewable Energy, Department of Physics and Astronomy, The University of Toledo, Toledo, OH 43606, U.S.A.
Jon M. Stone
Affiliation:
Wright Center for Photovoltaics Innovation and Commercialization, School for Solar and Advanced Renewable Energy, Department of Physics and Astronomy, The University of Toledo, Toledo, OH 43606, U.S.A.
Michael J. Heben
Affiliation:
Wright Center for Photovoltaics Innovation and Commercialization, School for Solar and Advanced Renewable Energy, Department of Physics and Astronomy, The University of Toledo, Toledo, OH 43606, U.S.A.
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Abstract

A novel approach to fabricate CuIn(S,Se)2 (CIS) thin films through ultrasonically spraying a hydrazine-based precursor solution onto a heated substrate is reported. The effects of the composition of the precursor solutions and the deposition temperature on the CIS film properties were investigated by comparing thin films fabricated using aqueous metal salt solution, anhydrous hydrazine solution, and hydrazine hydrate solution at various deposition temperatures. Crystallite size and texture coefficient in the preferred (112) orientation in the sprayed films increased when the aqueous solution was replaced by hydrazine-based solutions. Additionally, the hydrazine-based precursor solutions resulted in films with better surface smoothness and compositional uniformity than those fabricated using water-based solutions and the hydrazine hydrate solution resulting in the smoothest, most uniform films. The sprayed films were used to fabricate preliminary solar cells that demonstrated a modest photovoltaic response. With optimization, the synthesis of high-quality CIS films by spray pyrolysis from a hydrazine hydrate solution could demonstrate the potential for a low-cost, high-throughput manufacturing process.

Keywords

spray pyrolysisphotovoltaicthin film
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1630: Symposium O – Solution Processing of Inorganic and Hybrid Materials for Electronics and Photonics , 2014 , mrsf13-1630-o01-03
Copyright
Copyright © Materials Research Society 2014 

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References

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