A study of bandgap-graded CZTGSe kesterite thin films for solar cell applications

Energy Adv., 2023, 2,1626-1633
DOI: 10.1039/D3YA00359K, Paper
Open Access Open Access
Romain Scaffidi, Guy Brammertz, Yibing Wang, Arman Uz Zaman, Keerthi Sasikumar, Jessica de Wild, Denis Flandre, Bart Vermang
The sustainable and harmless Cu2ZnSn(S,Se)4 kesterite materials for thin-film photovoltaics are still lacking efficiency, which may be solved by bandgap grading, herein obtained by two-step annealing in H2Se gas of metallic precursors.
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