Sputtering Cu2ZnSnS4 absorbers from a quaternary compound target has not been deeply investigated yet although it is a fast process that could be adapted to an industrial scale. We propose a new approach based on an in-line vacuum system for the complete device.
The effects of H2S annealing parameters as well as buffer type are investigated. We present a 4.2% efficiency device based on stainless steel substrate.
Bras, P. and Sterner, J., 2014, June. Influence of H2S annealing and buffer layer on CZTS solar cells sputtered from a quaternary compound target. In 2014 IEEE 40th Photovoltaic Specialist Conference (PVSC) (pp. 0328-0331). IEEE.
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Category: Solar & Photovoltaics