Investigations of the Effect of H2 in CO Oxidation over Ceria Catalysts

A Davó-Quiñonero, S López-Rodríguez… - Catalysts, 2021 - mdpi.com
The preferential CO oxidation (so-called CO-PROX) is the selective CO oxidation amid H2-
rich atmospheres, a process where ceria-based materials are consolidated catalysts. This …

On the structure dependence of CO oxidation over CeO2 nanocrystals with well-defined surface planes

Z Wu, M Li, SH Overbury - Journal of Catalysis, 2012 - Elsevier
CO oxidation is a model reaction for probing the redox property of ceria-based catalysts. In
this study, CO oxidation was investigated over ceria nanocrystals with defined surface …

Clarifying the impacts of surface hydroxyls on CO oxidation on CeO 2 (100) surfaces: a DFT+ U study

H Zhou, D Wang, XQ Gong - Physical Chemistry Chemical Physics, 2020 - pubs.rsc.org
In heterogeneous catalysis, surface hydroxylation is well recognized as a common
phenomenon under realistic reaction conditions. However, even for the versatile ceria …

Probing adsorption sites for CO on ceria

K Mudiyanselage, HY Kim, SD Senanayake… - Physical Chemistry …, 2013 - pubs.rsc.org
Ceria based catalysts show remarkable activity for CO conversion reactions such as CO
oxidation and the water-gas shift reaction. The identification of adsorption sites on the …

Ceria reoxidation by CO2: A model study

T Staudt, Y Lykhach, N Tsud, T Skála, KC Prince… - Journal of …, 2010 - Elsevier
The activation of CO2 on ceria-based catalysts opens chemical routes to the use of CO2 as
an oxidizing agent. Toward a better understanding of the underlying surface reactions, we …

Carbonate-mediated Mars–van Krevelen mechanism for CO oxidation on cobalt-doped ceria catalysts: facet-dependence and coordination-dependence

B Liu, W Li, W Song, J Liu - Physical Chemistry Chemical Physics, 2018 - pubs.rsc.org
Carbonate intermediates have been reported to play an active role in CO oxidation over
ceria-based catalysts in recent experimental studies. However, the detailed CO oxidation …

Surface noble metal concentration on ceria as a key descriptor for efficient catalytic CO oxidation

F Maurer, A Beck, J Jelic, W Wang, S Mangold… - ACS …, 2022 - ACS Publications
During the CO oxidation over metallic Pt clusters and Pt nanoparticles in Pt/CeO2 catalysts,
we found that the Pt surface concentration is a key descriptor for the reaction rate. By …

Influence of metal nuclearity and physicochemical properties of ceria on the oxidation of carbon monoxide

L Wang, S Deo, K Dooley, MJ Janik… - Chinese Journal of …, 2020 - Elsevier
The redox properties of ceria make it suitable as a catalyst or support in oxidation reactions.
Ceria-supported transition metal nanoparticles or isolated single atoms provide a metal …

Influence of oxidizing and reducing pretreatment on the catalytic performance of CeO2 for CO oxidation

KM Lee, M Brito, J DeCoster, K Linskens, K Mehdi… - Molecular …, 2022 - Elsevier
Cerium oxide (CeO 2) and ceria-based materials have been extensively investigated as
catalyst and support materials for various catalytic reactions, due to higher oxygen storage …

A comparative DFT+ U study of CO oxidation on Pd-and Zr-doped ceria

L Chen, X Wu, X Gong - Journal of Rare Earths, 2023 - Elsevier
Metal-doped ceria catalysts have been applied in many important catalytic processes. In this
work, we performed density functional theory calculations corrected by on-site Coulomb …