Ta Na; Liu Jingyue; Shen Wenjie
Source Publication催化学报
AbstractThe design and fabrication of catalytic materials is a key issue in heterogeneous catalysis to achieve desired performance. Traditionally, the main theme is to reduce the size of the catalyst particles as small as possible for increasing the number of active sites. In recent years, the rapid advancement in materials science has enabled us to fabricate catalyst particles with tunable shape at nanometer level. Through morphology control of nanoparticles by exposing highly reactive crystal planes, their catalytic properties can be drastically enhanced. Therefore, both size modulation and shape control of catalyst nanoparticles can be achieved independently or synergistically to optimize their catalytic behavior. We highlight, in this review, the recent progress in shape control of CeO 2 materials that are widely used as crucial components or structural and electronic promoters in heterogeneous catalysts. We first summarize the major synthetic strategies and characteristics of shape-controlled CeO 2 nanomaterials. We then survey morphology-dependent nanocatalysis of CeO 2 and Au-CeO 2 catalysts. We understand now that the enhanced catalytic property of the Au-CeO 2 system is closely related to the unique interaction between the gold nanoparticles and the ceria support; such an interaction originates from the particular shape of ceria, especially the exposed facets. Finally, we present our understanding of the morphology-dependent nanocatalysis and provide our perspectives on their future potential and development. The fundamental understanding of the nature of the intrinsic active sites of the shape-tunable ceria nanostructures, enclosed by reactive crystal planes
Document Type期刊论文
First Author Affilication中国科学院大连化学物理研究所
Recommended Citation
GB/T 7714
Ta Na,Liu Jingyue,Shen Wenjie. tuningtheshapeofceriananomaterialsforcatalyticapplications[J]. 催化学报,2013,34(5):838.
APA Ta Na,Liu Jingyue,&Shen Wenjie.(2013).tuningtheshapeofceriananomaterialsforcatalyticapplications.催化学报,34(5),838.
MLA Ta Na,et al."tuningtheshapeofceriananomaterialsforcatalyticapplications".催化学报 34.5(2013):838.
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