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Plasma Modified MoS 2 Nanoflakes for Surface Enhanced Raman Scattering
Author(s) -
Sun Linfeng,
Hu Hailong,
Zhan Da,
Yan Jiaxu,
Liu Lei,
Teguh Jefri S.,
Yeow Edwin K. L.,
Lee Pooi See,
Shen Zexiang
Publication year - 2014
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201300798
Subject(s) - raman scattering , adsorption , raman spectroscopy , materials science , molecule , substrate (aquarium) , nanotechnology , plasma , dipole , ideal (ethics) , computer science , chemistry , optics , physics , organic chemistry , philosophy , oceanography , epistemology , quantum mechanics , geology
Though the SERS effect based on pristine MoS 2 is hardly observed, however, the plasma treated MoS 2 nanoflakes can be used as an ideal substrate for surface enhanced Raman scattering. It is proved that the structural disorder induced generation of local dipoles and adsorption of oxygen on the plasma treated MoS 2 nanosheets are the two basic and important driven forces for the enhancement of Raman signals of surface adsorbed R6G molecules.