The properties of pure Cu2SnS3 thin films synthesized by direct liquid coating method have been studied for application in TFSCs. The films have band gap of 1.12 eV and an absorption coefficient of ∼105 cm−1. They are p-type with electrical conductivity of 0.5 S/cm and show photoconductivity. TFSCs made of these p-CTS films and n-CdS have been analyzed. The maximum efficiency of CTS solar cells is 33% with VOC and ISC of 0.75 V and 40 mA/cm.

Topics
Electrical conductivity, Solar cells, Photoconductivity, Thin films, Optical absorption
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© 2012 American Institute of Physics.
2012
American Institute of Physics
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