Solvatochromic Effect on the Photoluminescence of MoS2 Monolayers

The effect of surrounding solvents on the photoluminescence (PL) of MoS2 monolayers on Si/SiO2 substrates is studied. A redshift (up to −60 meV) is observed for MoS2 monolayers with nonhalogenated solvent surroundings. A blueshift (up to 60 meV) and intensity increase (2–50 times) are observed for m...

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Bibliographic Details
Published in:Small (Weinheim an der Bergstrasse, Germany) Germany), 2013-04, Vol.9 (8), p.1312-1315
Main Authors: Mao, Nannan, Chen, Yanfeng, Liu, Dameng, Zhang, Jin, Xie, Liming
Format: Article
Language:English
Subjects:
monolayers
Nanotechnology
photoluminescence
Raman spectroscopy
solvatochromism
solvent effects
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Summary:The effect of surrounding solvents on the photoluminescence (PL) of MoS2 monolayers on Si/SiO2 substrates is studied. A redshift (up to −60 meV) is observed for MoS2 monolayers with nonhalogenated solvent surroundings. A blueshift (up to 60 meV) and intensity increase (2–50 times) are observed for monolayers with halogenated solvent surroundings.
ISSN:1613-6810
1613-6829
DOI:10.1002/smll.201202982