Photon-driven chemistry in coadsorbed N2O and CO on Pt(111)

J. Kiss, J. M. White

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The ultraviolet photon-driven chemistry of coadsorbed nitrous oxide and carbon monoxide on Pt(111) at 47 K has been investigated by X-ray photoelectron spectroscopy, ultraviolet photoelectron spectroscopy, and temperature-programmed desorption. Evidence is presented for the formation of CO2 from photoexcited N2O reacting with CO. The results depend on the order of adsorption. When N2O is adsorbed on a monolayer of CO at 47 K, the photon-driven production of CO2 is not detectable. For dosing in the opposite order, reaction induced by photons is easily detected and, when CO is dosed on a monolayer of N2O at 47 K, about 80% of the N2O is displaced into the second layer.

Original languageEnglish
Pages (from-to)7852-7857
Number of pages6
JournalJournal of physical chemistry
Volume95
Issue number20
DOIs
Publication statusPublished - 1991

ASJC Scopus subject areas

  • Engineering(all)
  • Physical and Theoretical Chemistry

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