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. 2008 Jun 13;100(23):236101.
doi: 10.1103/PhysRevLett.100.236101. Epub 2008 Jun 9.

Tip-enhanced Raman spectroscopy and microscopy on single dye molecules with 15 nm resolution

Jens Steidtner  1 , Bruno Pettinger
Affiliations

Tip-enhanced Raman spectroscopy and microscopy on single dye molecules with 15 nm resolution

Jens Steidtner et al. Phys Rev Lett. .

Abstract

Our recently developed approach of UHV-tip-enhanced Raman spectroscopy permits us to acquire Raman spectra of a few single brilliant cresyl blue (BCB) molecules and even a single one adsorbed on a Au(111) surface. This is substantiated by simultaneously recorded STM images. Furthermore, because of the reduced photobleaching in UHV, the time frame for spectral acquisition is sufficiently extended to allow tip-enhanced Raman imaging of a single BCB molecule with a lateral resolution of 15 nm.

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