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Ultraviolet-visible Photodetectors based on Tungsten Oxide Electrospun Nanofibers
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1 State Key Laboratory of New Ceramics and Fine Processing,School of Materials Science and Engineering,Tsinghua University,1 State Key Laboratory of New Ceramics and Fine Processing,School of Materials Science and Engineering,Tsinghua University,1 State Key Laboratory of New Ceramics and Fine Processing,School of Materials Science and Engineering,Tsinghua University,1 State Key Laboratory of New Ceramics and Fine Processing,School of Materials Science and Engineering,Tsinghua University,1 State Key Laboratory of New Ceramics and Fine Processing,School of Materials Science and Engineering,Tsinghua University,1 State Key Laboratory of New Ceramics and Fine Processing,School of Materials Science and Engineering,Tsinghua University,1 State Key Laboratory of New Ceramics and Fine Processing,School of Materials Science and Engineering,Tsinghua University,1 State Key Laboratory of New Ceramics and Fine Processing,School of Materials Science and Engineering,Tsinghua University

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    Abstract:

    Herein, we report highly sensitive photodetectors, prepared by a thin film of electrospun polycrystalline tungsten oxide (WO3) nanofibers. Structural properties have been investigated by using X-ray diffraction, scanning electron microscopy, and transmission electron microscopy. UV-Visible absorption spectra was used to calculate the band gap of the electrospun nanofibers which shows a broad range in the UV spectrum. A high photosensitivity has been observed in our prepared photodetectors by using WO3 nanofibers. A facile assembly method has been used to make the device. All our investigations about structural and optoelectronics properties suggest that WO3 can be used as UV –visible photodetectors.

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[Muhammad Shahid, Yuting Wang, Tianjun Li, Jun Yang, Mengfei Zhang, Yan Xing, Jing Cheng, Wei Pan. Ultraviolet-visible Photodetectors based on Tungsten Oxide Electrospun Nanofibers[J]. Rare Metal Materials and Engineering,2018,47(S1):352~355.]
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History
  • Received:July 05,2017
  • Revised:July 05,2017
  • Adopted:January 29,2018
  • Online: October 22,2018
  • Published: