Surface charge transfer doping of narrow-bandgap Sn–Pb perovskites for high-performance tandem solar cells

Energy Environ. Sci., 2024, Advance Article
DOI: 10.1039/D3EE03898J, Paper
Qiang Sun, Zhiguo Zhang, Haixuan Yu, Junyi Huang, Xiongjie Li, Letian Dai, Qi Wang, Yan Shen, Mingkui Wang
This study reports on the surface charge transfer doping of narrow-bandgap Sn/Pb binary metal perovskites with benzyl viologen. The as-fabricated all perovskite two-terminal tandem solar cell exhibits a power conversion efficiency of 26.33%.
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