MODIFICATION OF BENZENE AND CARBON MONOXIDE ADSORPTION ON Pt(111) BY THE COADSORPTION OF POTASSIUM OR SULFUR.

Eric Garfunkel, M. H. Farias, G. A. Somorjai

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

The effects of potassium and sulfur on the chemisorption of CO and benzene on the Pt(111) surface have been studied by thermal desorption spectroscopy (TDS). Potassium causes an increase in the desorption peak temperature of CO and a decrease in that of benzene. Sulfur, on the other hand, causes a decrease in the desorption peak temperatures for both benzene and CO. The authors interpret the effects of potassium on CO and benzene adsorption as electronic, while for sulfur, structural effects may dominate.

Original languageEnglish
Pages (from-to)349-353
Number of pages5
JournalJournal of the American Chemical Society
Volume107
Issue number2
Publication statusPublished - Jan 1 1985

ASJC Scopus subject areas

  • Chemistry(all)

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