Journal of Inorganic Materials ›› 2023, Vol. 38 ›› Issue (9): 1017-1030.DOI: 10.15541/jim20230016

Special Issue: 【能源环境】钙钛矿(202310)

• REVIEW • Previous Articles     Next Articles

Research Progress on Low-dimensional Halide Perovskite Direct X-ray Detectors

DONG Siyin1(), TIE Shujie1, YUAN Ruihan1,2, ZHENG Xiaojia1,2()   

  1. 1. Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621900, China
    2. Sichuan Research Center of New Materials, Chengdu 610200, China
  • Received:2023-01-10 Revised:2023-03-27 Published:2023-09-20 Online:2023-04-11
  • Contact: ZHENG Xiaojia, associate professor. E-mail: xiaojia@caep.cn
  • About author:Dong Siyin (1997-), male, PhD candidate. E-mail: 1450063752@qq.com
  • Supported by:
    Sichuan Science and Technology Program(2022JDRC0021);National Natural Science Foundation of China(NSFC62004182)

Abstract:

X-ray detection has been widely used in medical imaging, security inspection, and industrial non-destructive tests. Halide perovskite X-ray detectors have attracted increasing attention due to their high sensitivity and low detection limit, but the notorious ion migration leads to poor operational stability. It is reported that the low dimensional structure can effectively suppress the ion migration of perovskites, thus greatly improving the stability of the detectors. This review introduces the working mechanism, key performance parameters of perovskite X-ray detectors, and summarizes the recent progress of low-dimensional perovskite materials and their application in direct X-ray detectors. The relationship between the structural characteristics of low-dimensional perovskite materials and their X-ray detection performance was systematically analyzed. Low-dimensional perovskite is a promising candidate for the preparation of X-ray detectors with both high sensitivity and stability. Further optimization of detection material and device structure, preparation of large-area pixelated imaging devices, and study of working mechanism in-depth of the detector are expected to promote the practical application of perovskite X-ray detectors.

Key words: low-dimensional materials, perovskite, X-ray detection, review

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