X-ray absorption study of ceria nanorods promoting the disproportionation of hydrogen peroxide

A quasi in situ X-ray absorption study demonstrated that the disproportionation of hydrogen peroxide (H 2 O 2 ) promoted by ceria nanorods was associated with a reversible Ce 3+ /Ce 4+ reaction and structural transformations in ceria. The direction of this reversible reaction was postulated to depen...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2016-01, Vol.52 (28), p.53-56
Main Authors: Wu, Tai-Sing, Zhou, Yunyun, Sabirianov, Renat F, Mei, Wai-Ning, Soo, Yun-Liang, Cheung, Chin Li
Format: Article
Language:English
Subjects:
Absorption
Cerium oxide
Disproportionation
Hydrogen peroxide
Nanorods
Transformations
X-rays
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Summary:A quasi in situ X-ray absorption study demonstrated that the disproportionation of hydrogen peroxide (H 2 O 2 ) promoted by ceria nanorods was associated with a reversible Ce 3+ /Ce 4+ reaction and structural transformations in ceria. The direction of this reversible reaction was postulated to depend on the H 2 O 2 concentration and the fraction of Ce 3+ species in ceria nanorods. A quasi in situ X-ray absorption study demonstrated that the disproportionation of hydrogen peroxide (H 2 O 2 ) promoted by ceria nanorods was associated with a reversible Ce 3+ /Ce 4+ reaction and structural transformations in ceria.
ISSN:1359-7345
1364-548X
DOI:10.1039/c5cc10643e