Improving the Stability and Efficiency of Perovskite Solar Cells by a Bidentate Anilinium Salt
JACS Au(2022)
摘要
We report improvement in the perovskite solar cell efficiency and stability after passivation with an organic molecule decorated with two anilinium cations. We compare this salt with its neutral analog and found that the change in the electron density distribution upon protonation and the presence of the halide anion are key to explaining the better passivation ability of the salt. In addition, we show that the counteranion has a significant impact on the performance of the device.
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关键词
defect passivation,stable perovskite solar cells,aggregation-induced luminogen,DFT calculation,rational synthesis
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