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- W3004470942 abstract "An ultraviolet (UV) photodetector was fabricated by depositing single wall carbon nanotubes (SWCNTs) on the surface of a graphene field-effect transistor (GFET) with buried gate electrode structure. A photoresponsivity with a value as high as 204.5 A/W was obtained under a 365-nm LED light illumination with an incident power of 3.9 μW. The photoresponsivity of our photodetector is about four orders higher in magnitude than that of a recently reported UV photodetector, which is based on CNTs/graphene hybrid films with a photoresponsivity of 2.3 × 10−2 A/W. With increasing the source-drain voltage of the SWCNTs modified GFET, the photoresponsivity can be further enhanced. In addition, the photoresponsivity can also be tuned by applying a small gate voltage. This work provides a simple and feasible method to create highly sensitive UV photodetectors based on all-carbon hybrid films, which are important in many applications such as military surveillance, biomedical instrumentation and environmental monitoring." @default.
- W3004470942 created "2020-02-14" @default.
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- W3004470942 date "2020-05-01" @default.
- W3004470942 modified "2023-10-14" @default.
- W3004470942 title "Highly sensitive ultraviolet photodetectors based on single wall carbon nanotube-graphene hybrid films" @default.
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- W3004470942 doi "https://doi.org/10.1016/j.apsusc.2020.145651" @default.
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