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Title: The surface chemistry of cerium oxide

Journal Article · · Surface Science Reports
 [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Our review covers the structure of, and chemical reactions on, well-defined cerium oxide surfaces. Ceria, or mixed oxides containing ceria, are critical components in automotive three-way catalysts due to their well-known oxygen storage capacity. Ceria is also emerging as an important material in a number of other catalytic processes, particularly those involving organic oxygenates and the water–gas shift reaction. Ceria's acid–base properties, and thus its catalytic behavior, are closely related to its surface structure where different oxygen anion and cerium cation environments are present on the low-index structural faces. The actual structure of these various faces has been the focus of a number of theoretical and experimental investigations. Ceria is also easily reducible from CeO2 to CeO2-X. The presence of oxygen vacancies on the surface often dramatically alters the adsorption and subsequent reactions of various adsorbates, either on a clean surface or on metal particles supported on the surface. We conducted surface science studies on the surfaces of thin-films rather than on the surfaces of bulk single crystal oxides. The growth, characterization and properties of these thin-films are also examined.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1185722
Alternate ID(s):
OSTI ID: 1365421
Journal Information:
Surface Science Reports, Vol. 70, Issue 1; ISSN 0167-5729
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 463 works
Citation information provided by
Web of Science

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Molecular beam experiments on model catalysts journal July 2005
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Methanol Adsorption and Decomposition on Pt/CeO 2 (111)/Cu(111) Thin Film Model Catalyst journal August 2010
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Theoretical Calculation of the Dehydrogenation of Ethanol on a Rh/CeO 2 (111) Surface journal August 2006
Dehydrogenation of ethanol on an O2–4Rh/CeO2−x(111) surface: A computational study journal May 2009
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Reaction of SO2 with Au∕CeO2(111): Importance of O vacancies in the activation of gold journal June 2005
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Chemistry of sulfur-containing molecules on Au(): thiophene, sulfur dioxide, and methanethiol adsorption journal May 2002
SO2 adsorption and thermal evolution on clean and oxygen precovered Pt(111) journal July 2010
High-resolution XPS and NEXAFS study of SO2 adsorption on Pt(111): two surface SO2 species journal June 1997
Adsorption and thermal evolution of SO2 on the Pt(110) surface journal February 1997
Influence of Steps on the Adsorption and Thermal Evolution of SO 2 on Clean and Oxygen Precovered Pt Surfaces journal October 2010
Leed and thermal desorption studies of small molecules (H2, O2, CO, CO2, NO, C2H4, C2H2 AND C) chemisorbed on the rhodium (111) and (100) surfaces journal February 1978
The chemisorption of acetylene and ethylene on Rh(111): A low energy electron diffraction (LEED), high resolution electron energy loss (ELS), and thermal desorption mass spectrometry (TDS) study journal May 1980
Thermal fragmentation of ethylene on the Rh(100) single crystal surface in the temperature range of 200–800 K journal November 1988
Enhanced reactivity of Pt nanoparticles supported on ceria thin films during ethylenedehydrogenation journal January 2011
Microscopic Insights into Methane Activation and Related Processes on Pt/Ceria Model Catalysts journal May 2010
Methane Activation by Platinum: Critical Role of Edge and Corner Sites of Metal Nanoparticles journal April 2010
Inverse oxide/metal catalysts: A versatile approach for activity tests and mechanistic studies journal February 2010
Reaction of water with Ce–Au(111) and CeOx/Au(111) surfaces: Photoemission and STM studies journal June 2007
Adsorption and reaction of CO on a ceria–Rh(111) “inverse model catalyst” surface journal June 2003
Platinum-Promoted Catalysis by Ceria: A Study of Carbon Monoxide Oxidation over Pt(111)/CeO2 journal October 1994
Cerium oxide layers on the Cu(111) surface: Substrate-mediated redox properties journal January 2008
Photoemission Spectroscopy Study of Cu/CeO 2 Systems:  Cu/CeO 2 Nanosized Catalyst and CeO 2 (111)/Cu(111) Inverse Model Catalyst journal March 2008
Water-Gas Shift Reaction on a Highly Active Inverse CeO x /Cu(111) Catalyst: Unique Role of Ceria Nanoparticles journal October 2009
Nanopattering in CeO x /Cu(111): A New Type of Surface Reconstruction and Enhancement of Catalytic Activity journal March 2012
Unique Properties of Ceria Nanoparticles Supported on Metals: Novel Inverse Ceria/Copper Catalysts for CO Oxidation and the Water-Gas Shift Reaction journal January 2013
The Activation of Gold and the Water–Gas Shift Reaction: Insights from Studies with Model Catalysts journal November 2013
Enhanced catalytic activity of ceria nanorods from well-defined reactive crystal planes journal January 2005
Shape-Selective Synthesis and Oxygen Storage Behavior of Ceria Nanopolyhedra, Nanorods, and Nanocubes journal December 2005
Template-Free Hydrothermal Synthesis of CeO 2 Nano-octahedrons and Nanorods: Investigation of the Morphology Evolution journal May 2008
Surface-structure sensitivity of CO oxidation over polycrystalline ceria powders journal August 2005
Adsorption and decomposition of dimethyl methylphosphonate on an aluminum oxide surface journal January 1985
Adsorption and Decomposition of Dimethyl Methylphosphonate on TiO 2 journal December 2000
Uptake of a Chemical Warfare Agent Simulant (DMMP) on TiO 2 : Reactive Adsorption and Active Site Poisoning journal March 2009
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Low Temperature Infrared Study of Carbon Monoxide Adsorption on Rh/CeO2 journal July 2019
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Surface chemistry of rare-earth oxide surfaces at ambient conditions: reactions with water and hydrocarbons journal March 2017
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Ultimate dispersion of metallic and ionic platinum on ceria journal January 2019
Thermal stability and propane combustion activity of Rh x Ce 1−x O 2−y nanoparticles deposited on functionalized alumina journal January 2019
Synthesis, design and sensing applications of nanostructured ceria-based materials journal January 2018
Porous TiO 2 with large surface area is an efficient catalyst carrier for the recovery of wastewater containing an ultrahigh concentration of dye journal January 2018
Recent advances in gasoline three-way catalyst formulation: A review journal June 2019
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Methanol oxidation on stoichiometric and oxygen-rich RuO 2 (110) journal January 2017
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Structure–function relationship for CO 2 methanation over ceria supported Rh and Ni catalysts under atmospheric pressure conditions journal January 2019
Structure and reducibility of yttrium-doped cerium dioxide nanoparticles and (111) surface journal January 2018
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Surface faceting and reconstruction of ceria nanoparticles text January 2017
Surface chemistry of rare-earth oxide surfaces at ambient conditions: Reactions with water and hydrocarbons text January 2017
The enzyme-like catalytic activity of cerium oxide nanoparticles and its dependency on Ce3+ surface area concentration text January 2018
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Heteroepitaxy of Cerium Oxide Thin Films on Cu(111) journal September 2015