Citation: Nengmin ZHU, Wenhao ZHU, Xiaoyao YIN, Songzhi ZHENG, Hao LI, Zeyuan WANG, Wenhao WEI, Xuanheng CHEN, Weihai SUN. Preparation of high-performance CsPbBr₃ perovskite solar cells by the aqueous solution solvent method[J]. Chinese Journal of Inorganic Chemistry, ;2025, 41(6): 1131-1140. doi: 10.11862/CJIC.20240419 shu

Preparation of high-performance CsPbBr₃ perovskite solar cells by the aqueous solution solvent method

1.
School of Materials Science and Engineering, Huaqiao University, Xiamen, Fujian 361021, China
2.
Institute of Materials Physical Chemistry, Xiamen, Fujian 361021, China
3.
Engineering Research Center of Environment-Friendly Functional Materials, Ministry of Education, Xiamen, Fujian 361021, China
4.
Fujian Key Laboratory of Photoelectric Functional Materials, Xiamen, Fujian 361021, China

Corresponding author: Weihai SUN, sunweihai@hqu.edu.cn
Received Date: 29 November 2024
Revised Date: 23 March 2025

Figures(8)

The green solvent water was used to dissolve CsBr, to improve its solubility, simplify the preparation process of CsPbBr₃ perovskite solar cells, and enhance the quality of thin films. The results showed that under the conditions of a residence time of 5 s and an annealing temperature of 250 ℃, the device prepared by spin coating a CsBr aqueous solution with a mass concentration of 250 mg·mL^-1 had the best performance, achieving a maximum open circuit voltage (V_OC) of 1.64 V, a short-circuit current density (J_SC) of 7.55 mA·cm^-2, a fill factor (FF) of 85.46%, and a photoelectric conversion efficiency (PCE) of 10.51%.
- all-inorganic perovskite solar cell,
- CsPbBr₃,
- green solvent,
- H₂O,
- two-step spin coating method
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Preparation of high-performance CsPbBr₃ perovskite solar cells by the aqueous solution solvent method