Measuring Ensemble-Averaged Surface-Enhanced Raman Scattering in the Hotspots of Colloidal Nanoparticle Dimers and Trimers

被引:362
作者
Chen, Gang [1 ]
Wang, Yong [1 ]
Yang, Miaoxin [1 ]
Xu, Jun [1 ]
Goh, Sook Jin [1 ]
Pan, Ming [1 ]
Chen, Hongyu [1 ]
机构
[1] Nanyang Technol Univ, Div Chem & Biol Chem, Singapore 637371, Singapore
关键词
SINGLE-MOLECULE; HOT-SPOTS; SILVER NANOPARTICLES; GOLD NANOPARTICLES; SPECTROSCOPY; SERS; NANOCRYSTALS; SEPARATION;
D O I
10.1021/ja9090885
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We report ensemble-averaged measurements of colloidal hotspots enabled by the synthesis of highly uniform dimers and trimers of Au@Ag nanoparticles and the quantification of the relative concentrations of the nanoclusters.
引用
收藏
页码:3644 / +
页数:4
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