Molecular Generality of Surface-Enhanced Raman Spectroscopy (SERS). A Detailed Investigation of the Hexacyanoruthenate Ion Adsorbed on Silver and Copper Electrodes

Craig S. Allen; Richard P Van Duyne

doi:10.1021/ja00415a017

Molecular Generality of Surface-Enhanced Raman Spectroscopy (SERS). A Detailed Investigation of the Hexacyanoruthenate Ion Adsorbed on Silver and Copper Electrodes

Craig S. Allen, Richard P Van Duyne

Chemistry

Research output: Contribution to journal › Article › peer-review

45 Scopus citations

Abstract

SERS scattering from adsorbed hexacyanoruthenate ion provides a wealth of information about adsorbate structure. It is clearly demonstrated that the molecule interacts with the metal via a CN bridge, the strength of which is dependent upon the metal surface (Ag or Cu) and the applied potential. The spectra from both metals show vibrational modes which are only IR active in bulk phase, indicating a symmetry lowering on adsorption. The potential dependence of SER scattering on copper clearly shows an inherent potential dependence of the enhancement process on that metal.

Original language	English (US)
Pages (from-to)	7497-7501
Number of pages	5
Journal	Journal of the American Chemical Society
Volume	103
Issue number	25
DOIs	https://doi.org/10.1021/ja00415a017
State	Published - Jan 1 1981

ASJC Scopus subject areas

Catalysis
General Chemistry
Biochemistry
Colloid and Surface Chemistry

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N2 - SERS scattering from adsorbed hexacyanoruthenate ion provides a wealth of information about adsorbate structure. It is clearly demonstrated that the molecule interacts with the metal via a CN bridge, the strength of which is dependent upon the metal surface (Ag or Cu) and the applied potential. The spectra from both metals show vibrational modes which are only IR active in bulk phase, indicating a symmetry lowering on adsorption. The potential dependence of SER scattering on copper clearly shows an inherent potential dependence of the enhancement process on that metal.

AB - SERS scattering from adsorbed hexacyanoruthenate ion provides a wealth of information about adsorbate structure. It is clearly demonstrated that the molecule interacts with the metal via a CN bridge, the strength of which is dependent upon the metal surface (Ag or Cu) and the applied potential. The spectra from both metals show vibrational modes which are only IR active in bulk phase, indicating a symmetry lowering on adsorption. The potential dependence of SER scattering on copper clearly shows an inherent potential dependence of the enhancement process on that metal.

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Molecular Generality of Surface-Enhanced Raman Spectroscopy (SERS). A Detailed Investigation of the Hexacyanoruthenate Ion Adsorbed on Silver and Copper Electrodes

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