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- W4311167100 abstract "High-performance ultraviolet (UV) photodetectors play a very important role in many fields, especially in the military, biomedical and other fields. [1] In recent years, many studies have realized ultraviolet photodetectors of 2D layered materials, overcome the problems of traditional ultraviolet detectors that are large and use high voltages. [1] Up to now, most of these works use atomically thin layers and simple p-n van der Waals (vdW) heterostructures, which have difficulty meeting the conditions of high sensitivity and ultrafast response at the same time. we report the double p-n van der Waals (vdW) heterostructure built on a large electrode. The two p-n junctions connected in parallel were proven to be able to effectively separate photo-generated carriers and suitable for ultraviolet light. This new type of photodetector exhibits competitive performance, including high R up to 254.8 A/W under UV light, and fast photoresponse τ r = 7.9 μs and τ d = 3.9 μs. These results provide an ideal platform for realizing highly sensitive UV photodetectors." @default.
- W4311167100 created "2022-12-24" @default.
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- W4311167100 date "2022-12-01" @default.
- W4311167100 modified "2023-09-25" @default.
- W4311167100 title "High-performances ultraviolet photodetector based on vertical van der Waals heterostructures" @default.
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- W4311167100 doi "https://doi.org/10.1088/1742-6596/2383/1/012037" @default.
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