Issue 11, 2010
From the journal:

Chemical Communications

Size dependent oxygen buffering capacity of ceria nanocrystals†

Jiahui Xu,a   Jeffrey Harmer,a   Guoqiang Li,a   Thomas Chapman,a   Paul Collier,b   Sarennah Longworthb  and  Shik Chi Tsang*a  

* Corresponding authors

a Wolfson Catalysis Centre, Inorganic Chemistry Laboratory, University of Oxford, Oxford, UK
E-mail: edman.tsang@chem.ox.ac.uk
Fax: +44 (0) 186 527 2690
Tel: +44 (0) 186 528 2610

b Johnson Matthey Technology Centre, Blount’s Court Road, Sonning Common, Reading, UK

Abstract

The structural, chemical and electronic changes of ceria as a function of decreasing particle size have been studied: at sizes below 5 nm the total amount of reducible oxygen dramatically increases due to superoxide formation on the ceria surface, a result indicative of a size dependent oxygen buffering capacity.

Graphical abstract: Size dependent oxygen buffering capacity of ceria nanocrystals

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Article information

DOI
https://doi.org/10.1039/B923780A
Article type
Communication
Submitted
12 Nov 2009
Accepted
15 Dec 2009
First published
16 Jan 2010

Chem. Commun., 2010,46, 1887-1889

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Size dependent oxygen buffering capacity of ceria nanocrystals

J. Xu, J. Harmer, G. Li, T. Chapman, P. Collier, S. Longworth and S. C. Tsang, Chem. Commun., 2010, 46, 1887 DOI: 10.1039/B923780A

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