Phys. Rev. Lett. 100, 236101 (2008) [4 pages]Tip-Enhanced Raman Spectroscopy and Microscopy on Single Dye Molecules with 15 nm Resolution
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. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.100.236101
DOI:
10.1103/PhysRevLett.100.236101
PACS:
68.37.Uv, 33.20.Fb, 68.43.Pq, 73.20.Mf
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