The electronic structure of metal-molecule hybrids in charged interfaces: surface-enhanced Raman selection rules derived from plasmon-like resonances

DFT calculations predict that plasmon-like excitations in small metal clusters are able to selectively modify the relative intensities of specific SERS bands of adsorbed molecules. These electronic resonances provide new kinds of SERS selection rules which can explain the huge enhancement of mode 9a...

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Bibliographic Details
Published in:Physical chemistry chemical physics : PCCP 2015-01, Vol.17 (4), p.2326-2329
Main Authors: Román-Pérez, J, López-Tocón, I, Castro, J L, Arenas, J F, Soto, J, Otero, J C
Format: Article
Language:English
Subjects:
Bands
Charging
Electronic structure
Electronics
Mathematical analysis
Metal clusters
Physical chemistry
Spectra
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Summary:DFT calculations predict that plasmon-like excitations in small metal clusters are able to selectively modify the relative intensities of specific SERS bands of adsorbed molecules. These electronic resonances provide new kinds of SERS selection rules which can explain the huge enhancement of mode 9a of pyridine in the spectra recorded at negative electrode potentials.
ISSN:1463-9076
1463-9084
DOI:10.1039/c4cp04724a