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Yongqiang Yu
Researcher at Hefei University of Technology
Publications - 90
Citations - 3923
Yongqiang Yu is an academic researcher from Hefei University of Technology. The author has contributed to research in topics: Photodetector & Heterojunction. The author has an hindex of 30, co-authored 84 publications receiving 3153 citations. Previous affiliations of Yongqiang Yu include University of Science and Technology of China.
Papers
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Journal ArticleDOI
Monolayer graphene/germanium Schottky junction as high-performance self-driven infrared light photodetector.
Longhui Zeng,Ming-Zheng Wang,Han Hu,Biao Nie,Yongqiang Yu,Chunyan Wu,Li Wang,Jigang Hu,Chao Xie,Feng-Xia Liang,Lin-Bao Luo +10 more
TL;DR: The generality of the above results suggests that the present monolayer graphene/germanium IR photodetector would have great potential for future optoelectronic device applications.
Journal ArticleDOI
Monolayer Graphene Film on ZnO Nanorod Array for High‐Performance Schottky Junction Ultraviolet Photodetectors
Biao Nie,Jigang Hu,Lin-Bao Luo,Chao Xie,Longhui Zeng,Peng Lv,Fangze Li,Jiansheng Jie,Mei Feng,Chunyan Wu,Yongqiang Yu,Shu-Hong Yu +11 more
TL;DR: Finite element method (FEM) simulation results show that this novel nanostructure array/MLG heterojunction can trap UV photons effectively within the ZnONRs and suggest that this MLG film/ZnONR array Schottky junction UVPD will have potential application in future optoelectronic devices.
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Core-shell heterojunction of silicon nanowire arrays and carbon quantum dots for photovoltaic devices and self-driven photodetectors.
Chao Xie,Biao Nie,Longhui Zeng,Feng-Xia Liang,Ming-Zheng Wang,Lin-Bao Luo,Mei Feng,Yongqiang Yu,Chunyan Wu,Yucheng Wu,Shu-Hong Yu +10 more
TL;DR: A silicon nanowire array/carbon quantum dot core-shell heterojunction photovoltaic device by directly coating Ag-assisted chemical-etched SiNW arrays with CQDs that could function as a high-performance self-driven visible light photodetector operating in a wide switching wavelength with good stability, high sensitivity, and fast response speed.
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Fabrication of Ultrathin Bi2S3 Nanosheets for High-Performance, Flexible, Visible-NIR Photodetectors
Guihuan Chen,Yongqiang Yu,Yongqiang Yu,Kun Zheng,Tao Ding,Wenliang Wang,Yang Jiang,Qing Yang +7 more
TL;DR: The resultant ultrathin Bi2 S3 -based photoconductor shows high sensitivity to visible-near infrared light from 405 to 780 nm with a high external photoresponsivity up to 4.4 A W(-1) and high detectivity of ≈10(11) Jones.
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Ultrafast, Broadband Photodetector Based on MoSe2/Silicon Heterojunction with Vertically Standing Layered Structure Using Graphene as Transparent Electrode.
TL;DR: The device shows excellent performance in terms of wide response spectrum of UV–visible–NIR, high detectivity, and ultrafast response speed of ≈270 ns, unveiling the great potential for the heterojunction for high‐performance optoelectronic devices.