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Fig. 1 Doping schematics and optical properties.

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1 Fig. 1 Doping schematics and optical properties.
Doping schematics and optical properties. (A) Schematics of the plasma-assisted doping experiment. (B) SEM image of the carbon-doped monolayer WS2. (C) PL and (D) Raman spectra of the undoped and carbon-doped monolayered WS2 islands, with different methane flow rates during the plasma treatment (2, 3.5, and 5 sccm, respectively) obtained with a laser excitation of 488 and 514 nm, respectively. a.u., normalized Raman intensity shown in arbitrary units. Fu Zhang et al. Sci Adv 2019;5:eaav5003 Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).


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