An auger electron spectroscopy study of SO < inf> 2 adsorption on cerium-zirconium mixed metal oxides
Cerium-zirconium mixed metal oxides are used in conjunction with platinum group metals to reduce and eliminate pollutants in automotive emissions control catalyst systems. The ceria-zirconia promoter materials regulate the partial pressure of oxygen near the catalyst surface, thereby facilitating catalytic oxidation and reduction of gas phase pollutants. However, ceria-zirconia is particularly susceptible to chemical and physical deactivation through sulfur dioxide adsorption. The interaction of sulfur dioxide with ceria-zirconia model catalysts has been studied with Auger spectroscopy to develop fundamental information regarding the sulfur dioxide deactivation mechanism.
Studies in Surface Science and Catalysis
An auger electron spectroscopy study of SO < inf> 2 adsorption on cerium-zirconium mixed metal oxides.
Studies in Surface Science and Catalysis,
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