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Erschienen in: Journal of Nanoparticle Research 6/2012

01.06.2012 | Research Paper

Self-template hydrothermal synthesis of CeO2 hollow nanospheres

verfasst von: Genli Shen, Haidi Liu, Qi Wang, Zhen Wang, Yunfa Chen

Erschienen in: Journal of Nanoparticle Research | Ausgabe 6/2012

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Abstract

CeO2 hollow nanospheres were synthesized by a low-cost and environmentally benign one-pot hydrothermal route. Templates, surfactants, or other auxiliaries were not used in the route. X-ray diffraction, transmission electron microscopy, scanning electron microscopy, X-ray photoelectron spectroscopy, high-resolution transmission electron microscopy, and nitrogen adsorption–desorption measurements were used to characterize the products. The average diameter of hollow spheres, with shells of approximately 30 nm, was about 300 nm. The formation of these hollow spheres involved a transformation from Ce(OH)CO3 solid spheres to CeO2 hollow nanospheres. The CeO2 hollow nanospheres exhibited a higher catalytic activity on CO oxidation than CeO2 nano-octahedrons.

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Metadaten
Titel
Self-template hydrothermal synthesis of CeO2 hollow nanospheres
verfasst von
Genli Shen
Haidi Liu
Qi Wang
Zhen Wang
Yunfa Chen
Publikationsdatum
01.06.2012
Verlag
Springer Netherlands
Erschienen in
Journal of Nanoparticle Research / Ausgabe 6/2012
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-012-0954-x

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