Progress in carbon nanotube films based photodetectors

1.School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093,China;2.State Key Laboratory of Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083,China;3.School of Mathematics and Physics, Shanghai Normal University, Shanghai 200234,China

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Supported by National Natural Science Foundation of China(61474130, 62075230), and Shanghai Natural Science Foundation( 19ZR1465400,18ZR1426300)

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    Photodetectors play a key role in various demanding applications, such as remote sensing, night vision, reconnaissance, medical imaging, thermal imaging and chemical detection, etc. Structures and features of the photodetecting materials directly affect the performance of the photodetectors. In recent years, carbon nanotubes (CNT) have rapidly grown into the alternative materials in photodetection due to their unique optical and electrical properties. The early researches were mainly focused on photodetectors based on individual carbon nanotubes, while potential applications require carbon nanotube thin films as the detecting layers to maximize the photo absorption ability and the detective efficiency. Therefore, preparation of large-area, high-density, high-orientation, and high-uniformity carbon nanotube thin films, and fabrication of the photodetectors based on these thin films, have attracted great research interest in the field of CNTs. Herein we elaborate the development of preparation methods of CNT thin films as well as the recent progress in the CNT-based photodetectors with a discussion on its development tendency in the near future..

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YANG Lu-Han, ZHANG Jia-Zhen, XU Huang, ZHOU Jie, QIU Han-Xun, CHEN Gang. Progress in carbon nanotube films based photodetectors[J]. Journal of Infrared and Millimeter Waves,2021,40(4):439~458

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  • Received:November 17,2020
  • Revised:August 09,2021
  • Adopted:December 10,2020
  • Online: August 24,2021
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