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通过醋酸戊铵改性的高效柔性钙钛矿太阳能电池，认证效率为23.35%

Time：2022-11-11Number：998

1）该柔性反式PSC是通过乙酸戊铵(PenAAc)分子来修饰钙钛矿和空穴传输层(HTL)之间的界面。通过对阴离子和阳离子的合成操纵，我们发现PenA⁺和Ac^ˉ与钙钛矿薄膜表面末端的受主和施主缺陷都有很强的化学键合。

2）PenAAc改进的柔性PSC实现了创纪录的23.68%的PCE(0.08 cm²，认证:23.35%)，具有1.17 V的高开路电压(V_OC)。大面积设备(1.0 cm²)也实现了21.52%的出色PCE。此外，所制造的器件在机械弯曲下表现出优异的稳定性，即使在5000次弯曲后，PCE仍保持在原始PCE的91%以上。

参考文献:

Gao, D., Li, B., Li, Z., Wu, X., Zhang, S., Zhao, D., Jiang, X., Zhang, C., Wang, Y., Li, Z., Li, N., Xiao, S., Choy, W.C., Jen, A.K.-Y., Yang, S. and Zhu, Z. (2022), Highly Efficient Flexible Perovskite Solar Cells through Pentylammonium Acetate Modification with certified efficiency of 23.35%. Adv. Mater.. Accepted Author Manuscript 2206387.

DOI: 10.1002/adma.202206387

https://doi.org/10.1002/adma.202206387

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通过醋酸戊铵改性的高效柔性钙钛矿太阳能电池，认证效率为23.35%