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Wide‐Bandgap Perovskite
The limited performance of tandem solar cells could be attributed to the interconnection layer that causes optical and electrical losses. In article number 2308794, Longbin Qiu and co‐workers develop a simplified ambipolar SnOX interconnection structure in perovskite‐organic tandem cells, improving near‐infrared light harvesting and reducing voltage loss and phase segregation...
The wide‐bandgap (WBG) perovskite solar cells (PSCs) and narrow‐bandgap organic solar cells (OSCs) integrated tandem solar cells (TSCs) show great potential for overwhelming single junction structure, especially the advantage of applying orthogonal solvents for allowing solution processed of each subcell. However, the WBG perovskite with high Br content suffers from serious phase segregation and voltage...