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Unusual behavior of bimetallic nanoparticles in catalytic processes of hydrogenation and selective oxidation

Authors
  • Redina, Elena A.1, 2
  • Kirichenko, Olga A.1
  • Shesterkina, Anastasiya A.1, 2
  • Kustov, Leonid M.1, 2, 3
  • 1 N.D. Zelinsky Institute of Organic Chemistry, 47 Leninsky prosp., 119991 , (Russia)
  • 2 National University of Science and Technology MISiS, 4 Leninsky prosp., 119991 , (Russia)
  • 3 Moscow State University, 1 Leninskie Gory, 3, 119992 , (Russia)
Type
Published Article
Journal
Pure and Applied Chemistry
Publisher
Walter de Gruyter GmbH
Publication Date
Jun 22, 2020
Volume
92
Issue
7
Pages
989–1006
Identifiers
DOI: 10.1515/pac-2020-0207
Source
De Gruyter
Keywords
License
Yellow

Abstract

Recent results obtained in studying mono- and bimetallic catalysts for selective hydrogenation of unsaturated carbonyl compounds, even unsaturated ones, acetylenic and nitro compounds as well as CO and bio-available alcohols oxidation are reviewed from the standpoint of the strong interaction between the metal nanoparticles, on the one hand, and two metals in the composition of bimetallic nanoparticles, on the other hand. Such interactions were demonstrated to result in partial positive or negative charging of metal nanoparticles, which, in turn, changes their adsorption and catalytic properties, especially with respect to the reactions involving hydrogen. Among the systems studied, Au–Pt, Au–Pd, Au–Cu, Au–Fe, Pt–WO x , Fe–Pd, Fe–Pt, Fe–Cu nanoparticles prepared by the redox procedure are considered to be most perspective in diverse catalytic applications because of the proper combination of the particle size and the electronic state of the metals.

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