期刊
JOURNAL OF RAMAN SPECTROSCOPY
卷 40, 期 9, 页码 1324-1330出版社
WILEY
DOI: 10.1002/jrs.2287
关键词
tip-enhanced Raman spectroscopy; surface-enhanced Raman spectroscopy; near-field spectroscopy; surface plasmon polariton; DUV resonance Raman scattering
类别
We report for the first time the tip-enhancement of resonance Raman scattering using deep ultraviolet (DUV) excitation wavelength. The tip-enhancement was successfully demonstrated with an aluminum-coated silicon tip that acts as a plasmonic material in DUV wavelengths. Both the crystal violet and adenine molecules, which were used as test samples, show electronic resonance at the 266-nm excitation used in the experiments. With results demonstrated here, molecular analysis and imaging with nanoscale spatial resolution in DUV resonance Raman spectroscopy can be realized using the tip-enhancement effect. Copyright (C) 2009 John Wiley & Sons, Ltd.
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