Influence of carbon support action on the deposited palladium electronic and structural characteristics
https://doi.org/10.29235/1561-8331-2025-61-1-46-55
Abstract
The structural characteristics and electronic state of palladium deposited on carbon fiber materials (Busofit, Carbopon) and the carbon composite Sibunit were studied. The study of supports and Pd/C composites by modern instrumental methods (AES-ICP, TEM, EXAFS- and X-ray photoelectron spectroscopy) showed two nanosized phases of the metal component in all the 1% Pd/C samples studied: the oxidized surface phase of PdO and the clusters of metallic palladium with average particle size of 1.7, 1.9 and 2.2 nm, for Sibunit, Busofit and Carbopon, respectively. Differences in the values of the Pd2+/Pd0 surface ratio for the systems under investigation can be related to the different quantity and type of functional groups on the surface of carbon materials, as well as to their different specific surface area.
About the Authors
S. G. Khaminets
Institute of physical organic chemistry of the National Academy of Sciences of Belarus
Belarus
Belarus
Khaminets Siarhei G. – Ph. D. (Chemistry), Researcher
13, Surganov Str., 220072, Minsk
S. V. Matveichuk
Institute of physical organic chemistry of the National Academy of Sciences of Belarus
Belarus
Belarus
Matveichuk Siarhei V. – Ph. D. (Chemistry), Leading Researcher
13, Surganov Str., 220072, Minsk
L. Yu. Tychinskaya
Institute of physical organic chemistry of the National Academy of Sciences of Belarus
Belarus
Belarus
Tychinskaya Lyudmila Yu. – Ph. D. (Chemistry), Head of the Laboratory
13, Surganov Str., 220072, Minsk
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