Surface potential studies of alkyl-thiol monolayers adsorbed on gold

Stephen D. Evans, Abraham Ulman

Research output: Contribution to journalArticlepeer-review

Abstract

The surface potential (contact potential difference) of monolayers of alkyl thiols adsorbed on gold have been measured using the Kelvin technique. The potential has been found to vary linearly with increasing chain length, n, for 6≤n≤22. The variation is discussed in terms of the changing nature of the permittivity of the hydrocarbon portion of the monolayer, a factor often ignored in studies self-assembled monolayers.

Original languageEnglish (US)
Pages (from-to)462-466
Number of pages5
JournalChemical Physics Letters
Volume170
Issue number5-6
DOIs
StatePublished - Jul 20 1990

ASJC Scopus subject areas

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry

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