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Lateral p-n Homojunction formed by Local Doping for High-Performance Photodetector

  • Tsinghua University
  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A novel and non-degenerate doping strategy for 2D transition metal dichalcogenides is proposed to form a lateral p-n junction in the application of optoelectronics. A high rectification ratio of 103 indicates that a high-quality WSe2 p-n junction is formed through Cetyltrimethyl Ammonium Bromide doping. The device shows superior photo-responsivity of 42.02 A/W, a specific detectivity of 1011Jones, I light}}/I dark} of 103 under light illumination, demonstrating its promising applications for high-sensitive photo detector and low-power photo electronic devices.

Original languageEnglish
Title of host publication2021 5th IEEE Electron Devices Technology and Manufacturing Conference, EDTM 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728181769
DOIs
StatePublished - 8 Apr 2021
Event5th IEEE Electron Devices Technology and Manufacturing Conference, EDTM 2021 - Chengdu, China
Duration: 8 Apr 202111 Apr 2021

Publication series

Name2021 5th IEEE Electron Devices Technology and Manufacturing Conference, EDTM 2021

Conference

Conference5th IEEE Electron Devices Technology and Manufacturing Conference, EDTM 2021
Country/TerritoryChina
CityChengdu
Period8/04/2111/04/21

Keywords

  • charge transfer
  • lateral p-n junction
  • photodetector
  • transition metal dichalcogenide

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