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Issue 11, 2019
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Facile fabrication of Ce-decorated composition-tunable Ce@ZnCo2O4 core–shell microspheres for enhanced catalytic propane combustion

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Abstract

The design of heterogeneous catalysts of high efficiency for complete oxidation of volatile organic compounds (VOCs) is a challenge. In the present study, propane is adopted as a VOC representative, and core–shell structured ZnCo2O4@CeO2 catalysts with Ce decoration were synthesized and tested for propane combustion. Through SEM, STEM, and EDX analyses, the structure of the ZnCo2O4@CeO2 catalysts was characterized. The results of activity evaluation demonstrate that the presence of Ce can significantly promote catalytic performance, and the most suitable Ce content has been verified. Furthermore, the optimized ZnCo2O4@CeO2 catalyst exhibits excellent thermal stability and strong resistance toward water. The superior catalytic performance over the optimized ZnCo2O4@CeO2 catalyst is attributed to the high concentration of surface lattice oxygen (O2−) and the presence of strong interactions between Ce and Co.

Graphical abstract: Facile fabrication of Ce-decorated composition-tunable Ce@ZnCo2O4 core–shell microspheres for enhanced catalytic propane combustion

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Publication details

The article was received on 30 Dec 2018, accepted on 20 Jan 2019 and first published on 21 Jan 2019


Article type: Paper
DOI: 10.1039/C8NR10523E
Citation: Nanoscale, 2019,11, 4794-4802

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    Facile fabrication of Ce-decorated composition-tunable Ce@ZnCo2O4 core–shell microspheres for enhanced catalytic propane combustion

    Y. Zhang, Z. Tan, X. Wang, Y. Zhan, Y. Xiao, C. Au and L. Jiang, Nanoscale, 2019, 11, 4794
    DOI: 10.1039/C8NR10523E

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