Abstract
CeO2 -based catalysts are widely studied in catalysis fields. Developing one novel synthetic approach to increase the intimate contact between CeO2 and secondary species is of particular importance for enhancing catalytic activities. Herein, an interfacial reaction between metal-organic framework (MOF)-derived carbon and KMnO4 to synthesize CeO2 -MnO2 , in which carbon is derived from the pyrolysis of Ce-MOFs under an inert atmosphere, is described. The MOF-derived carbon is found to restrain the growth of CeO2 crystallites under a high calcination temperature and, more importantly, intimate contact within CeO2 /C is conveyed to CeO2 /MnO2 after the interfacial reaction; this is responsible for the high catalytic activity of CeO2 -MnO2 towards CO oxidation.
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