Surface enhanced Raman scattering of pyridine on Ag electrodes formed with controlled-rate oxidation-reduction cycles

Nathan A. Cross, Jeanne E Pemberton

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

A study has been performed in which the SERS intensity of the pyridine ring breathing vibration at 1008 cm-1 at Ag electrodes is found to be dependent upon both the large scale and atomic scale roughness of the electrode surface. The controlled surface morphology is generated by a double potential step ORC technique. Scanning electron microscopy of these surfaces reveals varying large scale surface morphologies that are dependent upon ORC rate. A correlation between SERS intensity and large scale surface morphology is interpreted in terms of significant contributions from electromagnetic effects in electrochemical SERS. The correlation between SERS intensity and this surface morphology is found to be independent of the presence of atomic scale roughness. The results presented here confirm and extend the results of previous investigations of the morphology of SERS-active surfaces.

Original languageEnglish (US)
Pages (from-to)93-100
Number of pages8
JournalJournal of Electroanalytical Chemistry
Volume217
Issue number1
DOIs
StatePublished - Jan 23 1987

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Pyridine
Surface morphology
Raman scattering
Electrodes
Surface roughness
Magnetoelectric effects
Scanning electron microscopy
Oxidation-Reduction
pyridine

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Analytical Chemistry
  • Electrochemistry

Cite this

Surface enhanced Raman scattering of pyridine on Ag electrodes formed with controlled-rate oxidation-reduction cycles. / Cross, Nathan A.; Pemberton, Jeanne E.

In: Journal of Electroanalytical Chemistry, Vol. 217, No. 1, 23.01.1987, p. 93-100.

Research output: Contribution to journalArticle

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