Disentanglement of Heat and Carrier Transfer Effects in WS2/Graphene Heterostructure Under Near-infrared Laser Excitation

Ruiling Zhang; Ruiling Zhang; Lin Gan; Lin Gan; Lin Gan; Danyang Zhang; Danyang Zhang; Jiabin Feng; Jiabin Feng; Cun-Zheng Ning; Cun-Zheng Ning; Cun-Zheng Ning; Cun-Zheng Ning

doi:10.1364/CLEO_SI.2020.SF2J.7

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper SF2J.7
•https://doi.org/10.1364/CLEO_SI.2020.SF2J.7

Disentanglement of Heat and Carrier Transfer Effects in WS2/Graphene Heterostructure Under Near-infrared Laser Excitation

Ruiling Zhang, Lin Gan, Danyang Zhang, Jiabin Feng, and Cun-Zheng Ning

CLEO: Science and Innovations 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Van der Waals Materials-Based Devices (SF2J)

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R. Zhang, L. Gan, D. Zhang, J. Feng, and C. Ning, "Disentanglement of Heat and Carrier Transfer Effects in WS2/Graphene Heterostructure Under Near-infrared Laser Excitation," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper SF2J.7.

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Abstract

Combined photoluminescence and Raman spectroscopies of WS2/grapheme heterostructure through pump-power and temperature controls show that redshift of photoluminescence is mainly caused by pump induced heating, while linewidth-broadening has contributions from both heating and carrier transfer. © 2020 The Author(s)

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