Solar Cells: High Efficiency Cu2 ZnSn(S,Se)4 Solar Cells by Applying a Double In2 S3 /CdS Emitter (Adv. Mater. 44/2014).
On page 7427, J. Kim, H. Hiroi, T. K. Todorov, D. B. Mitzi, and co-workers report high-efficiency Cu2 ZnSn(S,Se)4 solar cells by applying In2 S3 /CdS double emitters. This new structure offers a high doping concentration within the Cu2 ZnSn(S,Se)4 solar cells, resulting in substantial enhancement in the open-circuit voltage. The 12.4% device is obtained with a record open-circuit voltage deficit of 593 mV.
Kim, J; Hiroi, H; Todorov, TK; Gunawan, O; Kuwahara, M; Gokmen, T; Nair, D; Hopstaken, M; Shin, B; Lee, YS; Wang, W; Sugimoto, H; Mitzi, DB
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