Surface-enhanced Raman scattering of HCN at Pb-modified Ag surfaces

Diane S. Kellogg, Jeanne E Pemberton

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Abstract

The surface-enhanced Raman scattering (SERS) behavior of HCN at polycrystalline Ag electrodes modified by monolayer and submonolayer amounts of underpotentially deposited Pb is presented. Changes in SERS intensity as a function of Pb coverage are interpreted in terms of preferential displacement of HCN from active sites by deposited Pb. By comparison with previous results obtained with pyridine and Cl- as adsorbates in similar experiments, these data suggest that both large-scale and atomic-scale roughness features contribute significantly to the SERS intensities measured in these systems.

Original languageEnglish (US)
Pages (from-to)1126-1130
Number of pages5
JournalJournal of Physical Chemistry
Volume91
Issue number5
StatePublished - 1987

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Raman scattering
Raman spectra
Adsorbates
Pyridine
Monolayers
pyridines
roughness
Surface roughness
Electrodes
electrodes
Experiments
pyridine

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

Surface-enhanced Raman scattering of HCN at Pb-modified Ag surfaces. / Kellogg, Diane S.; Pemberton, Jeanne E.

In: Journal of Physical Chemistry, Vol. 91, No. 5, 1987, p. 1126-1130.

Research output: Contribution to journalArticle

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