TIME DEPENDENCE OF SURFACE ENHANCED RAMAN SCATTERING AT SILVER IN THE PRESENCE OF UNDERPOTENTIALLY DEPOSITED LEAD AND ITS IMPLICATIONS FOR THE ROLES OF SURFACE ROUGHNESS.

Anita L. Guy, Jeanne E Pemberton

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The recovery of the surface enhanced Raman scattering response for pyridine and Cl** minus adsorbed to roughened polycrystalline Ag substrates upon controlled deposition and quantitative stripping of underpotentially deposited Pb is presented. Recovery data are presented for both adsorbate vibrational features as a function of Pb coverage between 0. 0 and 1. 4 monolayers. The time dependence of the recovery behavior at potentials corresponding to 0. 2, 0. 5, and 1. 0 fractional Pb monolayer is also presented. The onset of SERS irreversibility is correlated with current-time transients for Pb overlayer formation.

Original languageEnglish (US)
Pages (from-to)518-525
Number of pages8
JournalLangmuir
Volume1
Issue number4
StatePublished - Jul 1985

Fingerprint

Silver
time dependence
Raman scattering
surface roughness
Lead
Surface roughness
recovery
silver
Raman spectra
Recovery
Monolayers
Adsorbates
stripping
Pyridine
pyridines
Substrates

ASJC Scopus subject areas

  • Colloid and Surface Chemistry
  • Physical and Theoretical Chemistry

Cite this

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title = "TIME DEPENDENCE OF SURFACE ENHANCED RAMAN SCATTERING AT SILVER IN THE PRESENCE OF UNDERPOTENTIALLY DEPOSITED LEAD AND ITS IMPLICATIONS FOR THE ROLES OF SURFACE ROUGHNESS.",
abstract = "The recovery of the surface enhanced Raman scattering response for pyridine and Cl** minus adsorbed to roughened polycrystalline Ag substrates upon controlled deposition and quantitative stripping of underpotentially deposited Pb is presented. Recovery data are presented for both adsorbate vibrational features as a function of Pb coverage between 0. 0 and 1. 4 monolayers. The time dependence of the recovery behavior at potentials corresponding to 0. 2, 0. 5, and 1. 0 fractional Pb monolayer is also presented. The onset of SERS irreversibility is correlated with current-time transients for Pb overlayer formation.",
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AU - Pemberton, Jeanne E

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AB - The recovery of the surface enhanced Raman scattering response for pyridine and Cl** minus adsorbed to roughened polycrystalline Ag substrates upon controlled deposition and quantitative stripping of underpotentially deposited Pb is presented. Recovery data are presented for both adsorbate vibrational features as a function of Pb coverage between 0. 0 and 1. 4 monolayers. The time dependence of the recovery behavior at potentials corresponding to 0. 2, 0. 5, and 1. 0 fractional Pb monolayer is also presented. The onset of SERS irreversibility is correlated with current-time transients for Pb overlayer formation.

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