Ultra-low-gold loading Au/CeO2 catalysts for ambient temperature CO oxidation: Effect of preparation conditions on surface composition and activity

The Au0 /Au[delta]+ ratio and the amount of water-derived species on the surface of Au/CeO2 catalysts were found to be two important parameters affecting the activities.[PUBLICATION ABSTRACT]

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Bibliographic Details
Published inJournal of catalysis Vol. 273; no. 2; pp. 167 - 176
Main Authors Li, Qiaoling, Zhang, Yuanhua, Chen, Guoxing, Fan, Jianqiang, Lan, Hongqiao, Yang, Yiquan
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier 28.07.2010
Elsevier BV
Subjects
Carbon dioxide
Catalysis
Chemistry
Exact sciences and technology
General and physical chemistry
Gold
Oxidation
Surface tension
Temperature effects
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
Water
Binary compound
Support
Temperature effect
X ray
Cerium oxide
Supported catalyst
Lanthanide compound
Au
pH
Photoelectron spectrometry
Oxidation
Active center
Pretreatment
Surface activity
Au/CeO
Gold
Composition
CO oxidation
Suspension
Transition metal
X ray diffraction
Base
Infrared spectrometry
Water-derived species
Heterogeneous catalysis
Transmission electron microscopy
Acids
Preparation
Models
Catalyst
Drying
ratio
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Summary:The Au0 /Au[delta]+ ratio and the amount of water-derived species on the surface of Au/CeO2 catalysts were found to be two important parameters affecting the activities.[PUBLICATION ABSTRACT]
ISSN:0021-9517
1090-2694
DOI:10.1016/j.jcat.2010.05.008