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Dimensional and Optoelectronic Tuning of Lead-free Perovskite Cs3Bi2I9−nBrn Single Crystals for Enhanced Hard X-ray Detection
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2023-10-26 , DOI: 10.1002/anie.202315817
Xiang Li 1 , Guodong Zhang 1 , Yunqiu Hua 1 , Fucai Cui 1 , Xue Sun 1 , Jiaxin Liu 1 , Hongjie Liu 1 , Yanxiao Bi 1 , Zhongjie Yue 1 , Zhongjun Zhai 1 , Haibing Xia 1 , Xutang Tao 1
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2023-10-26 , DOI: 10.1002/anie.202315817
Xiang Li 1 , Guodong Zhang 1 , Yunqiu Hua 1 , Fucai Cui 1 , Xue Sun 1 , Jiaxin Liu 1 , Hongjie Liu 1 , Yanxiao Bi 1 , Zhongjie Yue 1 , Zhongjun Zhai 1 , Haibing Xia 1 , Xutang Tao 1
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Upon doping bromine into zero-dimensional Cs3Bi2I9 (space group P63/mmc), the crystal structure transforms into a two-dimensional layer structure as the bromine content reaches Cs3Bi2I8Br. At this optimized composition the Cs3Bi2I8Br single crystal has an outstanding detection performance in terms of record sensitivity for 100 keV hard X-rays, ultralow detection limit, and excellent imaging capability at 75 °C.
中文翻译：
用于增强硬 X 射线检测的无铅钙钛矿 Cs3Bi2I9−nBrn 单晶的尺寸和光电调谐
当溴掺杂到零维Cs 3 Bi 2 I 9 （空间群P 6 3 /mmc）中时，当溴含量达到Cs 3 Bi 2 I 8 Br时，晶体结构转变为二维层状结构。在这种优化的成分下，Cs 3 Bi 2 I 8 Br 单晶在 100 keV 硬 X 射线的创纪录灵敏度、超低检测限和 75 °C 下出色的成像能力方面具有出色的检测性能。
更新日期：2023-10-26
中文翻译：
用于增强硬 X 射线检测的无铅钙钛矿 Cs3Bi2I9−nBrn 单晶的尺寸和光电调谐
当溴掺杂到零维Cs 3 Bi 2 I 9 （空间群P 6 3 /mmc）中时，当溴含量达到Cs 3 Bi 2 I 8 Br时，晶体结构转变为二维层状结构。在这种优化的成分下，Cs 3 Bi 2 I 8 Br 单晶在 100 keV 硬 X 射线的创纪录灵敏度、超低检测限和 75 °C 下出色的成像能力方面具有出色的检测性能。
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