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Self‐Powered Photodetectors Based on 2D Materials
Advanced Optical Materials ( IF 8.0 ) Pub Date : 2019-09-24 , DOI: 10.1002/adom.201900765
Hui Qiao 1 , Zongyu Huang 1 , Xiaohui Ren 1 , Shuhua Liu 1 , Yupeng Zhang 2 , Xiang Qi 1 , Han Zhang 2
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Self‐powered photodetectors are considered as a new type of photodetectors enabling self‐powered photodetection without external power. The excellent photoresponsivity, fast photoresponse rate, low dark current, and large light on/off ratio of these photodetectors have attracted wide interest among scholars. 2D materials are widely used in self‐powered photodetectors due to their excellent optical and electrical properties, unique 2D structures, and their capabilities to exhibit excellent photodetection performance. According to the self‐driving mechanism of 2D material‐based self‐powered photodetectors, they are divided into three categories: p–n junction photodetectors, Schottky junction photodetectors, and photoelectrochemical photodetectors. From these three perspectives, the research progress of 2D material‐based self‐powered photodetectors is summarized in detail here. Research reports indicate that 2D material‐based self‐powered photodetectors have excellent self‐powered photoresponse behavior, good light on/off characteristics, and wideband spectral response ranges. The excellent photoresponse performance of 2D material‐based self‐powered photodetectors facilitates their potential applications in the field of optoelectronic devices. In particular, self‐powered photodetectors have great potential as novel emerging self‐driven optoelectronic devices. Finally, directions for the further development of 2D material‐based self‐powered photodetectors are anticipated.

中文翻译:

基于2D材料的自供电光电探测器

自供电光电探测器被认为是无需外部电源即可实现自供电光电探测的新型光电探测器。这些光电探测器的优异的光响应性,快速的光响应速率,低的暗电流和大的开/关比引起了学者的广泛兴趣。2D材料具有出色的光学和电学性能,独特的2D结构以及具有出色的光电检测性能,因此被广泛用于自供电光电探测器中。根据基于2D材料的自供电光电探测器的自驱动机制,它们分为三类:PN结光电探测器,肖特基结光电探测器和光电化学光电探测器。从这三个角度来看,此处详细总结了基于2D材料的自供电光电探测器的研究进展。研究报告表明,基于2D材料的自供电光电探测器具有出色的自供电光响应性能,良好的开/关特性和宽带光谱响应范围。基于2D材料的自供电光电探测器的出色的光响应性能促进了其在光电设备领域的潜在应用。特别是,自供电光电探测器作为新兴的自驱动光电器件具有巨大的潜力。最后,预计将进一步开发基于2D材料的自供电光电探测器的方向。研究报告表明,基于2D材料的自供电光电探测器具有出色的自供电光响应性能,良好的开/关特性和宽带光谱响应范围。基于2D材料的自供电光电探测器的出色的光响应性能促进了其在光电设备领域的潜在应用。特别是,自供电光电探测器作为新兴的自驱动光电器件具有巨大的潜力。最后,预计将进一步开发基于2D材料的自供电光电探测器的方向。研究报告表明,基于2D材料的自供电光电探测器具有出色的自供电光响应性能,良好的开/关特性和宽带光谱响应范围。基于2D材料的自供电光电探测器的出色的光响应性能促进了其在光电设备领域的潜在应用。特别是,自供电光电探测器作为新兴的自驱动光电器件具有巨大的潜力。最后,预计将进一步开发基于2D材料的自供电光电探测器的方向。特别是,自供电光电探测器作为新兴的自驱动光电器件具有巨大的潜力。最后,预计将进一步开发基于2D材料的自供电光电探测器的方向。特别是,自供电光电探测器作为新兴的自驱动光电器件具有巨大的潜力。最后,预计将进一步开发基于2D材料的自供电光电探测器的方向。
更新日期:2020-01-04
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