Publication date: 15th December 2025
Photodetectors (PDs) have been receiving increasing attention in recent years because of their potential applications in video imaging, optical communication, bioinspired sensing and smart textiles. Moreover, metal halide perovskites (MHPs) with outstanding optical and electrical properties, good mechanical flexibility, low cost and low-temperature solution-processed fabrication have become promising candidates as light harvesting materials in PDs.
Herein, I will comprehensively review the developments of PDs based on MHPs reported recently by our group. Firstly, I will provide an introduction with respect to the fabrication of perovskite single crystals, device configuration and performance parameters, followed by the specific requirements of PDs including electrode material and electrode distance.[1] Next, preparation method of self-powered single crystal perovskite-based p-n junction photodiode will be presented.[2] Then, the synthesis and characterization of MHPs nanocrystals will be demonstrated, subsequently, flexible PDs and their performances will be presented.[3] In the end, conclusions and challenges will be put forward in the field of PDs based on MHPs.
D. P. acknowledges the National Science Centre (grant SONATA BIS 10, no. 2020/38/E/ST5/00267) for financial support.
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