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Enhancement of Raman scattering of light by ultramarine microcrystals in presence of silver nanoparticles
Author(s) -
Klyachkovskaya E. V.,
Guzatov D. V.,
Strekal N. D.,
Vaschenko S. V.,
Harbachova A. N.,
Belkov M. V.,
Gaponenko S. V.
Publication year - 2012
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/jrs.3088
Subject(s) - raman spectroscopy , silver nanoparticle , raman scattering , nanoparticle , materials science , nanotechnology , chemical engineering , chemistry , analytical chemistry (journal) , optics , organic chemistry , physics , engineering
Approximately 10 2 ‐fold enhancement of Raman scattering by ultramarine microcrystals is reported by means of interaction with silver nanoparticles in films and powders. Theoretical modeling predicts the maximal 10 10 ‐fold enhancement in close vicinity of a silver spherical nanoparticle (0.24 nm) with rapid decay of enhancement factor to 1 in the range of approximately 50 nm. Experimental enhancement factor is treated as overall effect within the small portion of every microcrystal in the close vicinity of silver nanoparticle(s). The results are considered as an important extension of traditional surface enhanced molecular Raman spectroscopy towards bigger inorganic probes. Copyright © 2012 John Wiley & Sons, Ltd.