The Modification of Benzene and Carbon Monoxide Adsorption on Pt(111) by the Coadsorption of Potassium or Sulfur

E. L. Garfunkel; M. H. Farias; G. A. Somorjai

doi:10.1021/ja00288a013

The Modification of Benzene and Carbon Monoxide Adsorption on Pt(111) by the Coadsorption of Potassium or Sulfur

E. L. Garfunkel, M. H. Farias, G. A. Somorjai

Rutgers Global

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48 Scopus citations

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. We interpret the effects of potassium on CO and benzene adsorption as electronic, while for sulfur, structural effects may dominate.

Original language	English (US)
Pages (from-to)	349-353
Number of pages	5
Journal	Journal of the American Chemical Society
Volume	107
Issue number	2
DOIs	https://doi.org/10.1021/ja00288a013
State	Published - Jan 1985

All Science Journal Classification (ASJC) codes

Catalysis
General Chemistry
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja00288a013

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title = "The Modification of Benzene and Carbon Monoxide Adsorption on Pt(111) by the Coadsorption of Potassium or Sulfur",

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. We interpret the effects of potassium on CO and benzene adsorption as electronic, while for sulfur, structural effects may dominate.",

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AU - Garfunkel, E. L.

AU - Farias, M. H.

AU - Somorjai, G. A.

PY - 1985/1

Y1 - 1985/1

N2 - 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. We interpret the effects of potassium on CO and benzene adsorption as electronic, while for sulfur, structural effects may dominate.

AB - 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. We interpret the effects of potassium on CO and benzene adsorption as electronic, while for sulfur, structural effects may dominate.

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The Modification of Benzene and Carbon Monoxide Adsorption on Pt(111) by the Coadsorption of Potassium or Sulfur

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