Enhanced efficiency of printable mesoscopic perovskite solar cells using ionic liquid additives

Weihua Zhang; Jiankang Du; Cheng Qiu; Kai Yang; Qingyi Huang; Qifei Wang; Wenhao Zhang; Hongwei Han; Xingyu Gao; Yue Hu

doi:10.1039/D1CC00169H

Enhanced efficiency of printable mesoscopic perovskite solar cells using ionic liquid additives†

Weihua Zhang,^a Jiankang Du,^a Cheng Qiu,

^a Kai Yang,^a Qingyi Huang,^a Qifei Wang,^a Wenhao Zhang,^a Hongwei Han,

^a Xingyu Gao

*^b and Yue Hu

*^a

Author affiliations

* Corresponding authors

^a Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
E-mail: yuehu@hust.edu.cn

^b Shanghai Synchrotron Radiation Facility (SSRF), Chinese Academy of Sciences, 239 Zhangheng Road, Shanghai 201204, P. R. China
E-mail: gaoxingyu@sinap.ac.cn

Abstract

The crystallization mechanism of the perovskite crystals inside the mesopores of printable mesoscopic perovskite solar cells is demonstrated by in situ grazing-incidence X-ray diffraction. Ionic liquids can universally tune the crystallization process of different perovksites in the mesopores regradless of the precursor solvents, resulting in enhanced efficiency.

Chemical Communications

Enhanced efficiency of printable mesoscopic perovskite solar cells using ionic liquid additives†

Abstract

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