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Title: Enhanced activity of Au catalysts from extra-high surface area CeO2 for CO oxidation
Authors: Jin, Ling-Yun
Guo, Cun-Xia
Wang, Yue-Juan
Lu, Ji-Qing
Luo, Meng-Fei
Keywords: Catalysts
Solid catalysts
CO oxidation
Solid solutions
Oxygen vacancies
Issue Date: Aug-2011
Publisher: NISCAIR-CSIR, India
Abstract: A series of Au/CeO2 catalysts has been prepared with CeO2 of varying surface areas and tested for low-temperature CO oxidation. With a higher surface area support, the Au/CeO2 catalysts show a higher catalytic activity for CO oxidation (0.175 molCO gAu-1 h-1 at 0 °C). Higher oxygen vacancies provided by the formation of solid solution of AuxCe1-xO2-δ and higher CO chemisorption sites related to Au species are responsible for the enhanced activity.
Description: 1056-1060
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.50A(08) [August 2011]

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