Retinomorphic X-ray detection using perovskite with hydrionconductive organic cations  

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作  者:Hang Yin Jincong Pang Shan Zhao Haodi Wu Zihao Song Xing Li Zhiping Zheng Ling Xu Jiang Tang Guangda Niu 

机构地区:[1]Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information,Huazhong University of Science and Technology,Wuhan 430074,China [2]Optical Valley Laboratory,Wuhan 430074,China [3]Institute of Microelectronics of the Chinese Academy of Sciences,Beijing 100029,China [4]Research Institute of Huazhong University of science and technology in Shenzhen,Shenzhen 518057,China

出  处:《The Innovation》2024年第4期111-117,110,共8页创新(英文)

基  金:supported by the National Natural Science Foundation of China(U23A20359);the Major State Basic Research Development Program of China(2021YFB3201000);the National Natural Science Foundation of China(62134003,623B2033,and 62074066);the Natural Science Foundation of Hubei Province(2021CFA036,2020CFA034);the Shenzhen Science and Technology Program(SGDX20230116093205009).

摘  要:X-ray detection is crucial across various sectors,but traditional techniques face challenges such as inefficient data transmission,redundant sensing,high power consumption,and complexity.The innovative idea of a retinomorphic X-ray detector shows great potential.However,its implementation has been hindered by the absence of active layers capable of both detecting X-rays and serving as memory storage.In response to this critical gap,our study integrates hybrid perovskite with hydrion-conductive organic cations to develop a groundbreaking retinomorphic X-ray detector.This novel device stands at the nexus of technological innovation,utilizing X-ray detection,memory,and preprocessing capabilities within a single hardware platform.The core mechanism underlying this innovation lies in the transport of electrons and holes within the metal halide octahedral frameworks,enabling precise X-ray detection.Concurrently,the hydrion movement through organic cations endows the device with short-term resistive memory,facilitating rapid data processing and retrieval.Notably,our retinomorphic X-ray detector boasts an array of formidable features,including reconfigurable shortterm memory,a linear response curve,and an extended retention time.In practical terms,this translates into the efficient capture of motion projections with minimal redundant data,achieving a compression ratio of 18.06%and an impressive recognition accuracy of up to 98.6%.In essence,our prototype represents a paradigm shift in X-ray detection technology.With its transformative capabilities,this retinomorphic hardware is poised to revolutionize the existing X-ray detection landscape.

关 键 词:PEROVSKITE CONDUCTIVE REDUNDANT 

分 类 号:O62[理学—有机化学]

 

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