Complex formation between halogens and sulfoxides on metal surfaces

Research output: Contribution to journalArticlepeer-review

Abstract

We report the results of in situ scanning tunneling microscope (STM), UV-vis spectroscopy, and differential capacitance measurements obtained from Au(111) and Ag(111) surfaces in neat solutions of dimethylsulfoxide (DMSO) or tetramethylenesulfoxide (TMSO) containing either KI or KBr. STM measurements initially reveal the formation of the expected I or Br adlattice, but later show the formation of an additional surface species, the growth of which is dependent on the exact nature of the surface, solvent, and anion. These results are interpreted in terms of formation of a 1 : 1 complex between the solvent and I2 or Br2.

Original languageEnglish (US)
Pages (from-to)3325-3329
Number of pages5
JournalPhysical Chemistry Chemical Physics
Volume3
Issue number16
DOIs
StatePublished - 2001

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Atomic and Molecular Physics, and Optics

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