Journal
CATALYSIS SCIENCE & TECHNOLOGY
Volume 4, Issue 11, Pages 3772-3784Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cy00679h
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Funding
- National Basic Research Program of China [2013CB933104]
- National Natural Science Foundation of China [21173204, U1332113]
- MPG-CAS Partner Group Program of Max-Planck Society
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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.
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