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Issue 11, 2014
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Morphology-dependent surface chemistry and catalysis of CeO2 nanocrystals

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Abstract

Surface chemistry and catalysis over oxide nanocrystals with well-defined morphologies are emerging as a hot topic, and the relevant progress on CeO2 nanocrystals is critically reviewed. CeO2 nanocrystals expose morphology-dependent crystal planes on their surfaces, and CeO2 nanocrystal and metal/CeO2 nanocrystal catalysts exhibit morphology-dependent surface chemistry and catalysis. A comprehensive analysis of the published literature nicely correlates the surface chemistry and catalysis of CeO2 nanocrystal and metal/CeO2 nanocrystal catalysts with the surface composition/structure and oxygen vacancy structure of exposed CeO2 crystal planes. A concept of morphology engineering of oxide nanocrystals not only for the optimization of the catalytic performance but also for the fundamental understanding of the structure–activity relation and catalytic reaction mechanism is discussed.

Graphical abstract: Morphology-dependent surface chemistry and catalysis of CeO2 nanocrystals

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Publication details

The article was received on 26 May 2014, accepted on 25 Jun 2014 and first published on 25 Jun 2014


Article type: Perspective
DOI: 10.1039/C4CY00679H
Catal. Sci. Technol., 2014,4, 3772-3784

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    Morphology-dependent surface chemistry and catalysis of CeO2 nanocrystals

    W. Huang and Y. Gao, Catal. Sci. Technol., 2014, 4, 3772
    DOI: 10.1039/C4CY00679H

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