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Fabrication of Cu2ZnSn(S,Se)4 solar cells by printing and high-pressure sintering process

Published online by Cambridge University Press:  28 August 2013

Feng Gao ,
Tsuyoshi Maeda  and
Takahiro Wada
Feng Gao
Affiliation:
Department of Materials Chemistry, Ryukoku University, Seta, Otsu 520-2194, Japan
Tsuyoshi Maeda
Affiliation:
Department of Materials Chemistry, Ryukoku University, Seta, Otsu 520-2194, Japan
Takahiro Wada
Affiliation:
Department of Materials Chemistry, Ryukoku University, Seta, Otsu 520-2194, Japan
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Abstract

We fabricated Cu2ZnSn(SxSe1-x)4 (CZTSSe) solar cells by a printing and high-pressure sintering (PHS) process. First, the CZTSSe solid solution powders were synthesized by heating the elemental mixtures at 550oC for 5 h in an N2 gas atmosphere. We fabricated CZTSSe films by a printing and high-pressure sintering (PHS) process. The obtained dense CZTSSe film was post-annealed at 550oC for 10 min under an N2 +5% H2S gas atmosphere. We fabricated CZTSSe solar cells with the device structure of Ag/ITO/i-ZnO/CdS/CZTSSe/Mo/soda-lime glass. The CZTSSe solar cell showed an efficiency of 2.1%, with V oc of 272 mV, J sc of 18.0 mA/cm2 and FF of 0.44.

Keywords

thin filmphotovoltaichot pressing

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