低维卤化物钙钛矿直接型X射线探测器研究进展

董思吟, 帖舒婕, 袁瑞涵, 郑霄家

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

DONG Siyin, TIE Shujie, YUAN Ruihan, ZHENG Xiaojia

图3 0D铋基钙钛矿单晶探测器

Fig. 3 0D bismuth-based perovskite single crystal detector (a) Schematic crystal structure and photograph of MA3Bi2I9 single crystal[25]; (b) Photograph of the MA3Bi2I9 single crystal after cutting and polishing[25]; (c) Resistivity of representative X-ray detection materials; (d) Device operational stability against continuous X-ray irradiation with high dose rates under a high bias volage[25]; (e) Photograph and corresponding X-ray images of the keys[54]; (f) FWHM of (00l) peaks of Cs3Bi2I9 single crystals, which are prepared by liquid diffusion separation induced crystallization method and inverse temperature crystallization method[53]