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Abstract Stability is of great importance to the commercialization of perovskite solar cells (PVSCs). Interface materials are crucial to achieve stable PVSCs. Herein, we report on a strategy of incorporating… Click to show full abstract
Abstract Stability is of great importance to the commercialization of perovskite solar cells (PVSCs). Interface materials are crucial to achieve stable PVSCs. Herein, we report on a strategy of incorporating lithium fluoride (LiF) as part of the buffer layer in inverted PVSCs to suppress the decomposition of perovskite layer and eliminate the corresponding negative effects. The device with C60/LiF buffer layer maintains 87% of its initial efficiency after aging in N2 for 26 days, exhibiting much improved stability compared to the control device with C60/BCP. Our work suggests a viable approach to enhance the device stability for the commercialization of PVSCs.
Journal Title: Organic Electronics
Year Published: 2020
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