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Light management in monolithic all-perovskite tandem solar cells
Chenshuaiyu Liu1, Han Gao1, Wennan Ou1
1National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Nanjing, 210023, China.
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All-perovskite tandem solar cells represent a promising strategy for breaking the Shockley-Queisser limits inherent in single-junction solar cells. Reasonable light management and optical design are necessary for all-perovskite tandem solar cells to improve power conversion efficiency. In this review, the recent progresses in light management for monolithic all-perovskite tandem solar cells are summarized comprehensively. The current-matching conditions, optical challenges, and potential development trajectories for all-perovskite tandem solar cells are investigated. It includes key optical losses, enhancements and strategies for light trapping and light utilization. Ultimately, forward-looking perspectives on future developments are presented. This review aims to offer valuable insights and practical suggestions for improving power conversion efficiency of all-perovskite tandem solar cells from light management techniques.

