The Effects of surface additives on the chemistry of CH3 on Rh(111) as studied by reflection absorption infrared spectroscopy

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The adsorption of gaseous CH3 on clean and modified Rh(111) has been studied using reflection absorption infrared spectroscopy and thermal desorption spectroscopy. It was found that preadsorbed K adatoms markedly stabilized the CH3 on Rh(111) and increased its stability by >100 K. This stabilization effect was attributed to the formation of a surface compound between CH3 and K. In contrast, coadsorbed Zn and I adatoms caused only very slight stabilization of CH3 on Rh due to the site blocking effect. The formation of methoxy species was observed in the CH3+O coadsorbed layer on Rh(111). The reaction pathways of surface complexes were also determined.

Original languageEnglish
Pages (from-to)273-279
Number of pages7
JournalSurface Science
Volume454
Issue number1
DOIs
Publication statusPublished - May 20 2000

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

Fingerprint Dive into the research topics of 'The Effects of surface additives on the chemistry of CH<sub>3</sub> on Rh(111) as studied by reflection absorption infrared spectroscopy'. Together they form a unique fingerprint.

  • Cite this