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Published May 6, 2015 | Supplemental Material
Journal Article Open

The Influence of Water on the Optical Properties of Single-Layer Molybdenum Disulfide


Adsorbed molecules can significantly affect the properties of atomically thin materials. Physisorbed water plays a significant role in altering the optoelectronic properties of single-layer MoS_2, one such 2D film. Here we demonstrate the distinct quenching effect of adsorbed water on the photoluminescence of single-layer MoS_2 through scanning-probe and optical microscopies.

Additional Information

© 2015 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. Received: February 3, 2015; Revised: February 26, 2015. Article first published online: 18 Mar 2015. The authors thank Dr. Jamil Tahir-Kheli for helpful discussions. The authors acknowledge grants from the Department of Energy (Grant No. DE-FG03-01ER46175: J.R.H.) and the National Science Foundation (Grant No. EAR-1322082: G.R.R.). Collection of PL spectra was supported in part by NSF CCI Solar Fuels grant (Grant No. CHE-1305124: H.B.G).

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