Highly efficient cerium dioxide nanocube-based catalysts for low temperature diesel soot oxidation: The cooperative effect of cerium- and cobalt-oxides

Putla Sudarsanam, Brendan Hillary, Dumbre K. Deepa, Mohamad Hassan Amin, Baithy Mallesham, Benjaram M. Reddy, Suresh K. Bhargava

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    76 Scopus citations

    Abstract

    Co3O4 promoted CeO2 nanocubes have been found to exhibit outstanding catalytic activity for the oxidation of diesel soot at low temperatures (50% soot conversion = 606 K). This remarkable performance is attributed to the superior reducible nature of cerium oxide and the preferential exposure of CeO2 (100) and Co3O4 (110) facets. A probable mechanism based on the cooperative effect of cerium- and cobalt-oxides has been proposed, offering new possibilities for the design of promising materials for catalytic soot oxidation.

    Original languageBritish English
    Pages (from-to)3496-3500
    Number of pages5
    JournalCatalysis Science and Technology
    Volume5
    Issue number7
    DOIs
    StatePublished - 1 Jul 2015

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