Influence of TiO2 bulk defects on the CO adsorption and CO oxidation on Au/TiO2 – Electronic metal-support interactions (EMSI) in supported Au catalysts

Abstract

Electronic metal-support interactions (EMSI) are demonstrated to severely affect the CO oxidation activity and the CO adsorption properties of Au/TiO2 catalysts. Bulk oxygen vacancies, generated by a strongly reductive pre-treatment of Au/TiO2 at elevated temperature in 10% CO/N2, significantly lower the catalytic activity for CO oxidation at 80°C. With… (More)

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