Analysis of opto-electrical, trap complexity and defect density in Cu–Zn–Ge–S/Se kesterite thin-film solar cell

S Routray, Y Massoud - Optical Materials, 2022 - Elsevier
Kesterite photovoltaic have received a lot of attention for its cheap cost and high efficiency.
But, their performance efficiency is less than 12%. Its performances are restricted by the …

Analysis of Loss Mechanisms in CZGSe Thin-Film Kesterite Solar Cells: A Statistical Distribution for Defects and Traps

S Routray, Y Massoud - ECS Journal of Solid State Science …, 2022 - iopscience.iop.org
Kesterite materials is popular for low cost photovoltaic and opto-electronic applications.
Currently the achievable efficiency of kesterite based CZTSe material is only 12% due to …

Bromine etching of kesterite thin films: perspectives in depth defect profiling and device performance improvement

KJ Tiwari, A Jimenez, S Giraldo… - 2021 IEEE 48th …, 2021 - ieeexplore.ieee.org
Using a controlled bromine etching on kesterite absorbers, two major results are obtained.
We establish the first defect depth profiling and secondary phases depth profiling of a state …