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Recent progress in single crystal perovskite X-ray detectors

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Abstract

Perovskites have attracted extensive attention as radiation detection material due to their long carrier diffusion length and lifetime, high absorption coefficient, and flexible manufacturing process. Compared with polycrystalline structures, single crystal perovskites improve the performance of optoelectronic devices due to their low defect state density, better photoelectric characteristics, and chemical stability. Herein, we review the recent progress of single crystal perovskite X-ray detectors. First, we briefly introduced the basic concepts, detection mechanisms, figure of merits of perovskite X-ray detectors, and the preparation methods of single crystal perovskites. Then, we summarized the significant advancements in single crystal perovskite X-ray detectors in recent times. Finally, we discussed the critical challenges and some practicable solutions for developing high-performance X-ray detectors.

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Acknowledgements

This work was supported by National Key R&D Program (Grant Nos. 2022YFB3204100, 2021YFC3002200, 2020YFA0709800), National Natural Science Foundation of China (Grant Nos. U20A20168, 51861145202, 61874065, 62022047, 52072204), and XpectVision Technology Co., Ltd. (Grant No. 20212001996). Xiangshun GENG is grateful for the support of the Shuimu Tsinghua Scholar Program.

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  1. Beijing National Research Center for Information Science and Technology (BNRist), School of Integrated Circuits, Tsinghua University, Beijing, 100084, China

    Xiao Liu, Jun Ren, Yu-Ang Chen, Xiangshun Geng, Dan Xie & Tian-Ling Ren

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Liu, X., Ren, J., Chen, YA. et al. Recent progress in single crystal perovskite X-ray detectors. Sci. China Inf. Sci. 67, 131401 (2024). https://doi.org/10.1007/s11432-023-3856-4

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