Control of Surface Plasmon Localization via Self-Assembly of Silver Nanoparticles along Silver Nanowires

被引：56
|
作者：
Tran, M. Linh [1 ,2 ]
Centeno, Silvia P. [1 ,2 ]
Hutchison, James A. [1 ,2 ]
Engelkamp, Hans [1 ,2 ,4 ]
Liang, Duoduo [3 ]
Van Tendeloo, Gustaaf [3 ]
Sels, Bert F. [1 ,2 ]
Hofkens, Johan [1 ,2 ]
Uji-i, Hiroshi [1 ,2 ]
机构：
[1] Katholieke Univ Leuven, Dept Chem, B-3001 Louvain, Belgium
[2] Katholieke Univ Leuven, Ctr Surface Chem & Catalysis, B-3001 Louvain, Belgium
[3] Univ Antwerp, B-2020 Antwerp, Belgium
[4] Radboud Univ Nijmegen, Nijmegen, Netherlands
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2008年 / 130卷 / 51期
关键词：
D O I：
10.1021/ja807218e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A simple and low-cost method to create metal-metal hybrid nanostructures possessing fairly regularly spaced "hot-spots" of surface plasmon resonances is proposed. The nanohybrid structure was prepared via self-assembly during a simple drop-casting procedure, using chemically synthesized silver nanowires and silver nanoparticles prepared in a single batch of a polyol process. Wide field illumination of these nanohybrids produced hot-spots with spacings of around 500 nm to 1 mu m. The intensity of the emission/scattering from the hot-spots fluctuates over time. The proposed structure can be useful for the development of molecular-sensors or as a substrate for surface enhanced Raman/fluorescence spectroscopy.
引用
收藏
页码：17240 / +
页数：3
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