Abstract

In article number 2001557, Wei Wang, Zongping Shao, and co-workers introduce a multifunctional dye interlayer into lead-free all-inorganic Cs2AgBiBr6-based perovskite solar cells to enhance the efficiency and stability by broadening the absorption spectrum, accelerating the charge carrier extraction, and constructing an appropriate energy level alignment. Consequently, the modified device delivers a higher power conversion efficiency of 2.84% and better stability under ambient conditions. Cover illustrator: Xiaoqing Yang.

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