Measuring ensemble-averaged surface-enhanced Raman scattering in the hotspots of colloidal nanoparticle dimers and trimers

Gang Chen; Yong Wang; Miaoxin Yang; Jun Xu; Sook Jin Goh; Ming Pan; Hongyu Chen

doi:10.1021/ja9090885

Measuring ensemble-averaged surface-enhanced Raman scattering in the hotspots of colloidal nanoparticle dimers and trimers

J Am Chem Soc. 2010 Mar 24;132(11):3644-5. doi: 10.1021/ja9090885.

Authors

Gang Chen¹, Yong Wang, Miaoxin Yang, Jun Xu, Sook Jin Goh, Ming Pan, Hongyu Chen

Affiliation

¹ Division of Chemistry and Biological Chemistry, Nanyang Technological University, Singapore 637371.

PMID: 20196540
DOI: 10.1021/ja9090885

Abstract

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.