Journal ArticleDOI
Comparative study on redox properties and catalytic behavior for CO oxidation of CuO/CeO2 and CuO/ZrCeO4 catalysts
Arturo Martínez-Arias,Marcos Fernández-García,Óscar Gálvez,Juan M. Coronado,James A. Anderson,José C. Conesa,J. Soria,Guillermo Munuera +7 more
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TLDR
In this article, a comparison of both catalysts and analysis of the redox properties of different copper entities present in the catalysts indicate that the active copper sites for CO oxidation are located on the copper oxide clusters.About:
This article is published in Journal of Catalysis.The article was published on 2000-10-01. It has received 358 citations till now. The article focuses on the topics: Half-reaction & Copper oxide.read more
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Catalytic Oxidation of Carbon Monoxide over Transition Metal Oxides
Sébastien Royer,Daniel Duprez +1 more
TL;DR: In this article, the kinetics and mechanism of CO oxidation on single and mixed oxides are examined, alongside the catalyst structures, in a review of the literature on carbon monoxide over oxide catalysts.
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Effect of Phase Structure of MnO2 Nanorod Catalyst on the Activity for CO Oxidation
TL;DR: In this paper, the catalytic properties of the α-, β-, γ-, and δ-MnO2 nanorods were evaluated for CO oxidation, and the effects of phase structures on the catalysts were investigated.
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Synthesis of non-siliceous mesoporous oxides
Dong Gu,Ferdi Schüth +1 more
TL;DR: Non-siliceous mesoporous oxides are comprehensively described, including a discussion of constituting elements, synthesis, and structures, and general aspects concerning pore size control, atomic scale crystallinity, and phase control are reviewed.
Journal ArticleDOI
In Situ Studies of the Active Sites for the Water Gas Shift Reaction over Cu−CeO2 Catalysts: Complex Interaction between Metallic Copper and Oxygen Vacancies of Ceria
Xianqin Wang,José Antonio Lozano Rodríguez,Jonathan C. Hanson,D. Gamarra,Arturo Martínez-Arias,Marcos Fernández-García +5 more
TL;DR: This work identifies for the first time the active sites for the WGS reaction on Cu-CeO2 catalysts and illustrates the importance of in situ structural studies for heterogeneous catalytic reactions.
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Mesoporous Co3O4–CeO2 and Pd/Co3O4–CeO2 catalysts: Synthesis, characterization and mechanistic study of their catalytic properties for low-temperature CO oxidation
TL;DR: In this paper, two different reaction pathways over Co(3)O(4)-CeO(2) and Pd/Co(3,O,4)-Co(2), with varying compositions were proposed.
References
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Journal ArticleDOI
Catalytic Properties of Ceria and CeO2-Containing Materials
TL;DR: A survey of the use of cerium oxide and CeO2-containing materials as oxidation and reduction catalysts is presented in this paper, with a special focus on catalytic interaction with small molecules such as hydrogen, carbon monoxide, oxygen, and nitric oxide.
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Ceria in automotive exhaust catalysts: I. Oxygen storage
H.C. Yao,Y.F. Yu Yao +1 more
TL;DR: In this article, the authors measured the oxygen removal at various temperatures using TPR traces of unsupported or alumina-supported ceria and showed that the reduction of surface capping oxygen and bulk oxygen anions is associated with reduction of the shared oxygen anion at the interface.
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Rh-Loaded CeO2-ZrO2 Solid-Solutions as Highly Efficient Oxygen Exchangers: Dependence of the Reduction Behavior and the Oxygen Storage Capacity on the Structural-Properties
Paolo Fornasiero,R. Dimonte,Gangavarapu Ranga Rao,Jan Kašpar,S. Meriani,Alessandro Trovarelli,Mauro Graziani +6 more
TL;DR: In this paper, it is shown that incorporation of ZrO2 into a solid solution with CeO2 strongly promotes bulk reduction of the Rh-loaded solid solutions in comparison to a Rh/CeO2 sample.
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Modification of the Redox Behaviour of CeO2Induced by Structural Doping with ZrO2
Paolo Fornasiero,Gabriele Balducci,R. Di Monte,Jan Kašpar,Valter Sergo,G. Gubitosa,A. Ferrero,Mauro Graziani +7 more
TL;DR: In this article, the reduction/oxidation behavior of high surface area CeO2 and Ce0.5Zr 0.5O2 mixed oxide is compared, and it is shown that the introduction of ZrO2 into the Ce2 framework with formation of a solid solution strongly modifies the reduction behaviour in comparison to that seen with CeO 2 alone, and that the expansion/contraction of the lattice parameter upon, respectively, reduction andoxidation, detected by X-ray diffraction, is responsible for the textural modification.
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The influence of surface defects on the infrared spectra of adsorbed species
TL;DR: In this paper, the influence of defect sites on a surface frequently give rise to small wavenumber shifts in the infrared spectrum of an adsorbed species, which can lead to erroneous interpretations of the spectra from supported catalysts and other relatively poorly defined substrates.