期刊
CHEMICAL SCIENCE
卷 2, 期 1, 页码 136-140出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0sc00440e
关键词
-
资金
- National Science Foundation [CBET-0930074, ECCS-0651079]
Optical antennas made of gold nanoparticles are used to enhance the spectroscopic response of single molecules. With a scannable optical half-wave antenna in the form of a gold nanorod we achieve a spatial resolution of 20nm in fluorescence imaging. We explore simultaneous fluorescence and Raman enhancement of dye molecules in the junction of two gold nanoparticles and find similar enhancements as a function of interparticle distance for both fluorescence and Raman scattering. We compare our results with theoretical predictions and provide possible explanations.
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