Enhancement of Raman scattering of light by ultramarine microcrystals in presence of silver nanoparticles

被引：21
|
作者：
Klyachkovskaya, E. V. [1 ]
Guzatov, D. V. [2 ]
Strekal, N. D. [2 ]
Vaschenko, S. V. [1 ]
Harbachova, A. N. [1 ]
Belkov, M. V. [1 ]
Gaponenko, S. V. [1 ]
机构：
[1] Natl Acad Sci, BI Stepanov Inst Phys, Minsk 220072, BELARUS
[2] Yanka Kupala Grodno State Univ, Grodno 230023, BELARUS
来源：
JOURNAL OF RAMAN SPECTROSCOPY | 2012年 / 43卷 / 06期
关键词：
Raman scattering enhancement; plasmonics; ultramarine; silver nanoparticles; art pigments; GREEN;
D O I：
10.1002/jrs.3088
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Approximately 102-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 (C) 2012 John Wiley & Sons, Ltd.
引用
收藏
页码：741 / 744
页数：4
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