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

Research output: Contribution to journalArticlepeer-review

44 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 languageEnglish (US)
Pages (from-to)7497-7501
Number of pages5
JournalJournal of the American Chemical Society
Volume103
Issue number25
DOIs
StatePublished - Jan 1 1981

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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