Coverage dependent change in orientation for the adsorption of benzyl mercaptan on Au(111)

E J Sturrock, Q Chen, P H Borchardt, N V Richardson

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

The self-assembly of monolayers of benzyl mercaptan (benzenemethanethiol, C6H5CH2SH) on Au(1 1 1) at room temperature has been studied by low energy electron diffraction and high resolution electron energy loss spectroscopy (EELS). It was found that the orientation of the molecule depends on coverage with the aromatic ring being parallel to the surface for low coverage and more perpendicular at higher coverage. Low energy electron diffraction indicates a (root7 x root7)R19.1degrees adsorbate structure at saturation coverage. (C) 2004 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)127-134
Number of pages8
JournalJournal of Electron Spectroscopy and Related Phenomena
Volume135
DOIs
Publication statusPublished - Apr 2004

Keywords

  • benzyl mercaptan
  • thiols
  • EELS
  • Au(111)
  • COMPACT EFFECTIVE POTENTIALS
  • SELF-ASSEMBLING MONOLAYERS
  • EXPONENT BASIS-SETS
  • GOLD
  • SURFACE
  • EFFICIENT
  • AG(111)
  • ATOMS
  • XPS
  • STM

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