典型文献
Vertical matrix perovskite X-ray detector for effective multi-energy discrimination
文献摘要：
Multi-energy X-ray detection is sought after for a wide range of applications including medical imaging,security checking and industrial flaw inspection.Perovskite X-ray detectors are superior in terms of high sensitivity and low detection limit,which lays a foundation for multi-energy discrimination.However,the extended capability of the perovskite detector for multi-energy X-ray detection is challenging and has never been reported.Herein we report the design of vertical matrix perovskite X-ray detectors for multi-energy detection,based on the attenuation behavior of X-ray within the detector and machine learning algorithm.This platform is independent of the complex X-ray source components that constrain the energy discrimination capability.We show that the incident X-ray spectra could be accurately reconstructed from the conversion matrix and measured photocurrent response.Moreover,the detector could produce a set of images containing the density-graded information under single exposure,and locate the concealed position for all low-,medium-and high-density substances.Our findings suggest a new generation of X-ray detectors with features of multi-energy discrimination,density differentiation,and contrast-enhanced imaging.
文献关键词：
中图分类号：
作者姓名：
Jincong Pang;Shan Zhao;Xinyuan Du;Haodi Wu;Guangda Niu;Jiang Tang
作者机构：
Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information,Huazhong University of Science and Technology,430074 Wuhan,China;Optical Valley Laboratory,430074 Wuhan,China
文献出处：
引用格式：
[1]Jincong Pang;Shan Zhao;Xinyuan Du;Haodi Wu;Guangda Niu;Jiang Tang-.Vertical matrix perovskite X-ray detector for effective multi-energy discrimination)[J].光：科学与应用（英文版）,2022(05):935-944
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AB值：
0.606134
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