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- W3135893449 endingPage "2008126" @default.
- W3135893449 startingPage "2008126" @default.
- W3135893449 abstract "2D materials are considered to be the most promising materials for photodetectors due to their unique optical and electrical properties. Since the discovery of graphene, many photodetectors based on 2D materials have been reported. However, the low quantum efficiency, large noise, and slow response caused by the thinness of 2D materials limit their application in photodetectors. Here, recent progress on 2D material photodetectors is reviewed, covering the spectrum from ultraviolet to terahertz waves. First the interaction of 2D materials with light is analyzed in terms of optical physics. Then the present methods to improve the performance of 2D material photodetectors are summarized, such as defect engineering, p–n junctions and hybrid detectors, and the issue of serious overestimation of the performance in reported photodetectors based on 2D materials is discussed. Next, a comparison of 2D material photodetectors with traditional commercially available detectors shows that it is difficult to balance the current 2D material photodetectors with regard to having simultaneously both high sensitivity and fast response. Finally, a possible novel EIW mechanism is suggested to advance the performance of 2D material photodetectors in the future." @default.
- W3135893449 created "2021-03-15" @default.
- W3135893449 creator A5012504104 @default.
- W3135893449 creator A5064823790 @default.
- W3135893449 date "2021-03-09" @default.
- W3135893449 modified "2023-10-16" @default.
- W3135893449 title "Photodetectors of 2D Materials from Ultraviolet to Terahertz Waves" @default.
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