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The Earth‐abundant element‐based Cu2ZnSn(S,Se)4 (CZTSSe) absorber is considered as a promising material for thin‐film solar cells (TFSCs). The current record power conversion efficiency (PCE) of CZTSSe TFSCs is ≈13%, and it's still lower than CdTe and CIGS‐based TFSCs. A further breakthrough in its PCE mainly relies on deep insights into the various device fabrication conditions; accordingly, the...
High‐Performance Thin‐Film Solar Cells
In article number 2207966, Jung‐Je Woo, Jin Hyeok Kim, Hyeong‐Jin Kim, and co‐workers demonstrate the Mg‐ and Ga‐doped ZnO/Li‐doped graphene oxide transparent electrode (TE)/electron‐transporting layer (ETL) combination in thin‐film solar cells. This newly designed TE/ETL combination not only increases the electron collection rate but also suppresses the open‐circuit...
Herein, a novel combination of Mg‐ and Ga‐co‐doped ZnO (MGZO)/Li‐doped graphene oxide (LGO) transparent electrode (TE)/electron‐transporting layer (ETL) has been applied for the first time in Cu2ZnSn(S,Se)4 (CZTSSe) thin‐film solar cells (TFSCs). MGZO has a wide optical spectrum with high transmittance compared to that with conventional Al‐doped ZnO (AZO), enabling additional photon harvesting, and...