Angle resolved surface enhanced Raman scattering (SERS) on two-dimensional metallic arrays with different hole sizes

被引：34
|
作者：
Chan, C. Y. [2 ]
Xu, J. B. [2 ]
Waye, M. Y. [3 ]
Ong, H. C. [1 ]
机构：
[1] Chinese Univ Hong Kong, Dept Phys, Shatin, Hong Kong, Peoples R China
[2] Chinese Univ Hong Kong, Dept Elect Engn, Shatin, Hong Kong, Peoples R China
[3] Chinese Univ Hong Kong, Dept Biochem, Sch Med, Shatin, Hong Kong, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2010年 / 96卷 / 03期
关键词：
polaritons; silver; surface enhanced Raman scattering; surface plasmons; NANOHOLE;
D O I：
10.1063/1.3291109
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The angle resolved surface enhanced Raman scattering (SERS) on two-dimensional Ag hole arrays has been studied as a function of hole size. The Raman enhancement factor has been found to increase with increasing hole size. In particular, by correlating the Raman mappings with the dispersion relations, the enhancement has been attributed to fast surface plasmon polariton radiative decay rate and strong coupling efficiency. Our results indicate that it is possible to optimize the geometry of the arrays to obtain desirable SERS.
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页数：3
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