Crystallization and Orientation Modulation Enable Highly Efficient Doctor-Bladed Perovskite Solar Cells

Jianhui Chang,Erming Feng,Hengyue Li,Yang Ding,Caoyu Long,Yuanji Gao,Yingguo Yang,Chenyi Yi,Zijian Zheng,Junliang Yang

Nano-micro letters（2023）

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摘要

Highlights High quality and strongly oriented perovskite films are prepared by two step doctor blading in air. Methylammonium chloride induced low dimensional intermediate phase regulates the crystallization and orientation of the perovskite. Two step doctor bladed perovskite solar cells achieve a power conversion efficiency (PCE) of 23.14%, while 1.03 cm 2 PSCs and 10.93 cm 2 mini modules achieve PCEs of 21.20% and 17.54%, respectively.

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关键词

Crystallization regulation,Orientation modulation,Perovskite solar cells,Doctor-blading,Ambient condition

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