Role of defects in the photoluminescence and photoresponse of WS2–graphene heterodevices

Min-Wen Yu; Yu-Tang Lin; Chia-Hung Wu; Tung-Jung Wang; Jhuang-Hao Cyue; Jun Kikkawa; Satoshi Ishii; Tien-Chang Lu; Kuo-Ping Chen

doi:10.1016/j.apsusc.2023.158541

Journal article Role of defects in the photoluminescence and photoresponse of WS2–graphene heterodevices

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Min-Wen Yu, Yu-Tang Lin, Chia-Hung Wu, Tung-Jung Wang, Jhuang-Hao Cyue, Jun Kikkawa, Satoshi Ishii, Tien-Chang Lu, Kuo-Ping Chen. Role of defects in the photoluminescence and photoresponse of WS2–graphene heterodevices. Applied Surface Science. 2023, 642 (), 158541. https://doi.org/10.1016/j.apsusc.2023.158541

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A new CVD process is proposed, and the number of sulfur vacancies in monolayer WS2 flakes is well controlled. By characterizing the photoluminescence intensity, it is easy to select WS2 flakes with different densities of sulfur vacancies.

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Keyword: WS2, graphene, heterodevice, photoluminescence

Date published: 2023-09-22

Publisher: Elsevier BV

Journal:

Applied Surface Science (ISSN: 01694332) vol. 642 158541

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Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.4491

First published URL: https://doi.org/10.1016/j.apsusc.2023.158541

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Updated at: 2025-09-22 08:30:17 +0900

Published on MDR: 2025-09-22 08:18:01 +0900

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