Abstract
Background: Ceria (CeO2) is the focus of constant and diverse research interest due to its wide industrial applications. In particular, ceria-based mixed oxides with nanostructures exhibit better catalytic properties owing to high specific surface area, improved sintering properties and high oxygen storage-release characteristics in comparison to the individual bulk materials. This work is aimed at analyzing the significance of doping in the ceria lattice to enhance CO and soot oxidation activity over a series of CeO2-La2O3, CeO2-Sm2O3, CeO2-Eu2O3 and CeO2-Gd2O3 mixed oxides. Keywords: Ceria, solid solutions, CO oxidation, soot oxidation, redox property, H2-TPR.
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