Dynamics and Efficient Conversion of Excitons to Trions in Non-Uniformly Strained Monolayer WS2

Moshe G. Harats; Jan N. Kirchhof; Mengxiong Qiao; Kyrylo Greben; Kirill I. Bolotin

doi:10.1364/CLEO_QELS.2020.FF3B.7

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper FF3B.7
•https://doi.org/10.1364/CLEO_QELS.2020.FF3B.7

Dynamics and Efficient Conversion of Excitons to Trions in Non-Uniformly Strained Monolayer WS2

Moshe G. Harats, Jan N. Kirchhof, Mengxiong Qiao, Kyrylo Greben, and Kirill I. Bolotin

CLEO: QELS_Fundamental Science 2020

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

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Ultrafast Phenomena in Two-Dimensional Semiconductors and Heterostructures (FF3B)

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M. G. Harats, J. N. Kirchhof, M. Qiao, K. Greben, and K. I. Bolotin, "Dynamics and Efficient Conversion of Excitons to Trions in Non-Uniformly Strained Monolayer WS2," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper FF3B.7.

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Abstract

We present for the first time an experimental setup that strains 2D materials with an AFM and with optical access. We find that the main mechanism is the efficient conversion of excitons to charged trions.

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