Adjustable Skeleton of Bilateral Lewis Base Passivator for CsPbI3 Perovskite Solar Cells with PCE over 20% and Superior Stability
Chemical Engineering Journal(2023)
Abstract
•The new additive 4-TBA was introduced to enhance the performance of CsPbI3 PSCs.•Bilateral Lewis base functional groups can effectively reduce film defects and improve film quality.•The PCE of the champion PSC with 4-TBA reaches 20.26%.•Optimized PSC retains 95.6% of the initial PCE after 1000 h of environmental stability test.
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Key words
cspbi3 perovskite solar cells,bilateral lewis base passivator,solar cells
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