Solvatochromic Effect on the Photoluminescence of MoS2 Monolayers

被引:139
作者
Mao, Nannan [1 ,2 ]
Chen, Yanfeng [1 ]
Liu, Dameng [3 ]
Zhang, Jin [2 ]
Xie, Liming [1 ]
机构
[1] Chinese Acad Sci, Key Lab Standardizat & Measurement Nanotechnol, Natl Ctr Nanosci & Technol, Beijing 100190, Peoples R China
[2] Peking Univ, State Key Lab Struct Chem Unstable & Stable Speci, Key Lab Phys & Chem Nanodevices, Ctr Nanochem,Beijing Natl Lab Mol Sci,Coll Chem &, Beijing 100871, Peoples R China
[3] Tsinghua Univ, State Key Lab Tribol, Dept Precis Instruments & Mechanol, Beijing 100084, Peoples R China
关键词
monolayers; photoluminescence; Raman spectroscopy; solvatochromism; solvent effects; VALLEY POLARIZATION; INTEGRATED-CIRCUITS; SOLVENT POLARITY; GRAPHENE FILMS; LARGE-AREA; SHIFTS;
D O I
10.1002/smll.201202982
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
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. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:1312 / 1315
页数:4
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