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Updated: Jul 31, 2026

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells
Published on: March 19, 2017
Seeking environmentally friendly halide perovskite photocatalysts: synthesis, structure and photocatalytic
Cheng-An Hu1, Jian-Peng Qin1, Chun-Yang Pan1
1School of Light Industry and Chemical Engineering, Guangdong University of Technology, Guangzhou, Guangdong 510006, China. panchuny@gdut.edu.cn.
Abstract:
Halide perovskites have high photoelectric conversion efficiency, making them promising candidates for photocatalysis. However, their toxic and unstable nature limits their applications. Here, we successfully synthesised three hybrid Bi-based halide perovskites: (HTMG)3Bi2Br9 (1), (HEI)2BiBr5 (2) and (HTMA)3Bi2Br9 (3). X-ray single-crystal diffraction analysis shows that they all contained 0D structures composed of isolated Bi-Br clusters. The three compounds showed excellent degradability and cycling stability for Sudan III dissolved in ethanol under simulated sunlight. In addition, the photocatalytic degradation performance of four Bi-based halide perovskites previously reported by our group is also characterised and summarised in this work.
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