Physicochemical study of active sites of metal catalysts for alcohol partial oxidation

Abstract

The active electronic states of the supported metal catalysts (Ag, Cu, Au) in the processes of alcohol partial oxidation were studied by the methods of IR spectroscopy of adsorbed CO, electron spectroscopy of diffuse reflectance, X-ray diffraction, XPS, EXAFS, ESR and electron microscopy. Comparison of the obtained catalytic and spectroscopic data revealed that one-charged cations M⁺ are the active sites of the local interaction on the metal catalyst surface in the processes of alcohol oxidation. The catalyst selectivity strongly depends on the effective charge of the surface active sites. (C) 2000 Elsevier Science B.V.

Original language	English
Pages (from-to)	325-329
Number of pages	5
Journal	Journal of Molecular Catalysis A: Chemical
Volume	158
Issue number	1
DOIs	https://doi.org/10.1016/S1381-1169(00)00099-6
Publication status	Published - 8 Sep 2000

Keywords

Alcohol oxidation
Copper
Gold
Metal catalysts
Silver

ASJC Scopus subject areas

Catalysis
Process Chemistry and Technology

Access to Document

10.1016/S1381-1169(00)00099-6

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Pestryakov, A. N., & Lunin, V. V. (2000). Physicochemical study of active sites of metal catalysts for alcohol partial oxidation. Journal of Molecular Catalysis A: Chemical, 158(1), 325-329. https://doi.org/10.1016/S1381-1169(00)00099-6

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AB - The active electronic states of the supported metal catalysts (Ag, Cu, Au) in the processes of alcohol partial oxidation were studied by the methods of IR spectroscopy of adsorbed CO, electron spectroscopy of diffuse reflectance, X-ray diffraction, XPS, EXAFS, ESR and electron microscopy. Comparison of the obtained catalytic and spectroscopic data revealed that one-charged cations M+ are the active sites of the local interaction on the metal catalyst surface in the processes of alcohol oxidation. The catalyst selectivity strongly depends on the effective charge of the surface active sites. (C) 2000 Elsevier Science B.V.

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KW - Copper

KW - Gold

KW - Metal catalysts

KW - Silver

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