Investigation on Electrical and Optical Properties of Cu2FeSnSe4 (CFTSe) Based Thin Film Solar Cell for Terrestrial Applications

Copper-based quaternery chalcogenides such as Cu
2
ZnSnS
4
(CZTS), Cu
2
ZnSnS
4
(CZTSe), Cu
2
ZnSn
$(S_{x} Se_{1-x})_{4}$
and Cu
2
FeSnSe
4
(CFTSe) have started grabbing attention as a suitable absorber layer. However, Cu
2
FeSnSe4 is not as much explored material as CZTS. In the work, the study of different physical properties on CFTSe power conversion efficiency is analyzed. Discussed the numerical investigations made on different parameters such as thickness and doping concentration in the device under non-radiative recombination(NRR) and total recombination(TR). It is observed that there is an improvement in device performance as the parameters are varied accordingly in the two different recombination.