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Adsorption of methanol on TiC(100) and (111) surfaces

Authors
Journal
Journal of Electron Spectroscopy and Related Phenomena
0368-2048
Publisher
Elsevier
Publication Date
Identifiers
DOI: 10.1016/s0368-2048(97)00212-0
Keywords
  • Ultraviolet Photoelectron Spectroscopy
  • Adsorption
  • Tic
  • Methanol
Disciplines
  • Physics

Abstract

Abstract The adsorption of methanol on TiC(100) and (111) surfaces has been studied using ultraviolet photoelectron spectroscopy (UPS). Methanol is adsorbed molecularly on the neutral TiC(100) surface at room temperature. It is shown by UPS study that the molecular orbitals localized to the oxygen atom are selectively stabilized through adsorption, indicating that the methanol molecule is bonded to the TiC(100) surface via the oxygen atom. On the other hand, methanol is adsorbed dissociatively on the polar TiC(111) surface; methoxy species and completely dissociated atomic species (C, H and O atoms) are coexistent on the TiC(111) surface after methanol adsorption at room temperature.

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