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Review

Recent Progress on Graphene Flexible Photodetectors

1
Beijing Institute of Graphic Communication, Beijing 102600, China
2
School of Mechanical Engineering, Sichuan University, Chengdu 610065, China
3
Institute of Materia Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100050, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Antonio Agresti
Materials 2022, 15(14), 4820; https://doi.org/10.3390/ma15144820
Received: 14 May 2022 / Revised: 18 June 2022 / Accepted: 29 June 2022 / Published: 11 July 2022
(This article belongs to the Special Issue Nanomaterial for Cancer Diagnosis and Therapy)
In recent years, optoelectronics and related industries have developed rapidly. As typical optoelectronics devices, photodetectors (PDs) are widely applied in various fields. The functional materials in traditional PDs exhibit high hardness, and the performance of these rigid detectors is thus greatly reduced upon their stretching or bending. Therefore, the development of new flexible PDs with bendable and foldable functions is of great significance and has much interest in wearable, implantable optoelectronic devices. Graphene with excellent electrical and optical performance constructed on various flexible and rigid substrates has great potential in PDs. In this review, recent research progress on graphene-based flexible PDs is outlined. The research states of graphene conductive films are summarized, focusing on PDs based on single-component graphene and mixed-structure graphene, with a systematic analysis of their optical and mechanical performance, and the techniques for optimizing the PDs are also discussed. Finally, a summary of the current applications of graphene flexible PDs and perspectives is provided, and the remaining challenges are discussed. View Full-Text
Keywords: graphene; photodetector; flexible electronics graphene; photodetector; flexible electronics
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MDPI and ACS Style

Wang, M.; Xiao, Y.; Li, Y.; Han, L.; Sun, Z.; He, L.; Liu, R.; Hu, K. Recent Progress on Graphene Flexible Photodetectors. Materials 2022, 15, 4820. https://doi.org/10.3390/ma15144820

AMA Style

Wang M, Xiao Y, Li Y, Han L, Sun Z, He L, Liu R, Hu K. Recent Progress on Graphene Flexible Photodetectors. Materials. 2022; 15(14):4820. https://doi.org/10.3390/ma15144820

Chicago/Turabian Style

Wang, Mengzhu, Yingying Xiao, Ye Li, Lu Han, Zhicheng Sun, Liang He, Ruping Liu, and Kuan Hu. 2022. "Recent Progress on Graphene Flexible Photodetectors" Materials 15, no. 14: 4820. https://doi.org/10.3390/ma15144820

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