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Enormous Surface‐Enhanced Raman Scattering from Dimers of Flower‐Like Silver Mesoparticles
Author(s) -
Liang Hongyan,
Li Zhipeng,
Wang Zhuoxian,
Wang Wenzhong,
Rosei Federico,
Ma Dongling,
Xu Hongxing
Publication year - 2012
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.201201081
Subject(s) - raman scattering , dimer , materials science , polarization (electrochemistry) , raman spectroscopy , scattering , surface (topology) , nanotechnology , optoelectronics , photochemistry , molecular physics , optics , chemistry , physics , organic chemistry , geometry , mathematics
The surface‐enhanced Raman scattering (SERS) of flower‐like silver mesoparticle dimers with large hot areas is ≈10 to 100 times higher than the individual mesoparticles. The dependence of incident polarization illustrates that, even in the rough‐surface mesoparticle dimer system, the coupling effect still dominates the SERS. More importantly, the micro‐manipulator can be used to form dimers controlled with high SERS quality.
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