Tunable Infrared Light Emission from MoS2/WSe2 Heterostructures

Ouri Karni,Elyse Barre,Sze Cheung Lau,Roland Gillen,Eric Yue,Lior Gal, Tzach Yaffe,Bumho Kim,Kenji Watanabe,Takashi Taniguchi,Meir Orenstein,Janina Maultzsch,Katayun Barmak,Ralph H. Page,Tony F. Heinz

Conference on Lasers and Electro-Optics（2020）

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摘要

We report light emission around 1200 nm from a vertical heterostructure consisting of MoS2 and WSe 2 monolayers. The emission, arising from the fundamental interlayer exciton, can be tuned by nearly 100 nm by electrical gating.

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关键词

tunable infrared light emission,interlayer exciton,electrical gating,MoS2-WSe2 vertical heterostructures,semiconductor monolayer,MoS2-WSe2

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