Remote-Excitation Surface-Enhanced Raman Scattering Using Propagating Ag Nanowire Plasmons

被引:197
作者
Fang, Yurui [1 ,2 ]
Wei, Hong [1 ,2 ]
Hao, Feng [3 ]
Nordlander, Peter [3 ]
Xu, Hongxing [1 ,2 ,4 ]
机构
[1] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
[2] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
[3] Rice Univ, Dept Elect & Comp Engn, Dept Phys & Astron, Lab Nanophoton, Houston, TX 77005 USA
[4] Lund Univ, Div Solid State Phys Nanometer Consortium, S-22100 Lund, Sweden
基金
瑞典研究理事会;
关键词
SILVER NANOWIRES; SPECTROSCOPY; MOLECULES; POLARIZATION; SERS; OPTICS; LIGHT;
D O I
10.1021/nl900321e
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Using propagating plasmons on silver nanowires as an excitation source we perform surface-enhanced Raman scattering (SERS) at a nanoparticle/wire junction located remotely from the laser illumination spot with sensitivities in a few molecules range. Simultaneous multisite remoteexcitation SERS sensing can also be achieved.
引用
收藏
页码:2049 / 2053
页数:5
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