TY - JOUR
T1 - Efficient X-ray Attenuation Lead-Free AgBi2I7Halide Rudorffite Alternative for Sensitive and Stable X-ray Detection
AU - Tie, Shujie
AU - Zhao, Wei
AU - Huang, Wei
AU - Xin, Deyu
AU - Zhang, Min
AU - Yang, Zhou
AU - Long, Jidong
AU - Chen, Qi
AU - Zheng, Xiaojia
AU - Zhu, Jianguo
AU - Zhang, Wen Hua
N1 - Publisher Copyright:
Copyright © 2020 American Chemical Society.
PY - 2020/10/1
Y1 - 2020/10/1
N2 - The poor attenuation capability of high-energy X-ray photons hinders the application of X-ray detectors in medical and astrophysical areas. Halide-based perovskites are promising candidates for X-ray detection because of their improved sensitivity. However, their inferior attenuation coefficient is still unsatisfactory for broadband X-ray detection. Here, a new kind of X-ray detection material, AgBi2I7 rudorffite single crystal (SC), is prepared and applied in X-ray detection for the first time, and it shows a higher attenuation coefficient than halide-based perovskites, commercialized a-Se, and the currently outstanding Cd0.9Zn0.1Te (CZT). The AgBi2I7 rudorffite SCs possess outstanding electric properties and excellent stability. AgBi2I7-SC detectors demonstrate a limit of detection (LoD) of 72 nGyair s-1 and a sensitivity of 282.5 μC Gyair-1cm-2 to X-rays and show only a slight performance degradation after ontinuous X-ray irradiation with a total dose of 58 Gyair. This work opens up a new perspective and broad opportunities for halide rudorffite in X-ray detection.
AB - The poor attenuation capability of high-energy X-ray photons hinders the application of X-ray detectors in medical and astrophysical areas. Halide-based perovskites are promising candidates for X-ray detection because of their improved sensitivity. However, their inferior attenuation coefficient is still unsatisfactory for broadband X-ray detection. Here, a new kind of X-ray detection material, AgBi2I7 rudorffite single crystal (SC), is prepared and applied in X-ray detection for the first time, and it shows a higher attenuation coefficient than halide-based perovskites, commercialized a-Se, and the currently outstanding Cd0.9Zn0.1Te (CZT). The AgBi2I7 rudorffite SCs possess outstanding electric properties and excellent stability. AgBi2I7-SC detectors demonstrate a limit of detection (LoD) of 72 nGyair s-1 and a sensitivity of 282.5 μC Gyair-1cm-2 to X-rays and show only a slight performance degradation after ontinuous X-ray irradiation with a total dose of 58 Gyair. This work opens up a new perspective and broad opportunities for halide rudorffite in X-ray detection.
UR - http://www.scopus.com/inward/record.url?scp=85092680756&partnerID=8YFLogxK
U2 - 10.1021/acs.jpclett.0c02343
DO - 10.1021/acs.jpclett.0c02343
M3 - Article
C2 - 32842746
AN - SCOPUS:85092680756
SN - 1948-7185
VL - 11
SP - 7939
EP - 7945
JO - Journal of Physical Chemistry Letters
JF - Journal of Physical Chemistry Letters
IS - 19
ER -
