(Peer-Reviewed) Photo-processing of perovskites: current research status and challenges
Dezhi Tan 谭德志 ¹ ², Ke Sun 孙柯 ³, Zengling Li 李增领 ¹, Beibei Xu 许贝贝 ³, Jianrong Qiu 邱建荣 ³ ⁴
¹ Zhejiang Lab, Hangzhou 311121, China
中国 杭州 之江实验室
² School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
中国 杭州 浙江大学材料科学与工程学院
³ State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China
中国 杭州 浙江大学现代光学仪器国家重点实验室
⁴ CAS Center for Excellence in Ultra-intense Laser Science, Chinese Academy of Sciences, Shanghai 201800, China
中国科学院 超强激光科学卓越创新中心
Opto-Electronic Science, 2022-11-23

The past two decades have seen a drastic progress in the development of semiconducting metal-halide perovskites (MHPs) from both the fundamentally scientific and technological points of view. The excellent optoelectronic properties and device performance make perovskites very attractive to the researchers in materials, physics, chemistry and so on.

To fully explore the potential of perovskites in the applications, various techniques have been demonstrated to synthesize perovskites, modify their structures, and create patterns and devices. Among them, photo-processing has been revealed to be a facile and general technique to achieve these aims.

In this review, we discuss the mechanisms of photo-processing of perovskites and summarize the recent progress in the photo-processing of perovskites for synthesis, patterning, ion exchange, phase transition, assembly, and ion migration and redistribution. The applications of photo-processed perovskites in photovoltaic devices, lasers, photodetectors, light-emitting diodes (LEDs), and optical data storage and encryption are also discussed.

Finally, we provide an outlook on photo-processing of perovskites and propose the promising directions for future researches. This review is of significance to the researches and applications of perovskites and also to uncover new views on the light-matter interactions.
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