Issue 33, 2008
From the journal:

Journal of Materials Chemistry

Direct spectroscopic observation of size-dependent vacancy distribution in Y-doped CeO2

Sabyasachi Sen,*a   Hugo J. Avila-Paredesa  and  Sangtae Kim*a  

* Corresponding authors

a Department of Chemical Engineering and Materials Science, University of California, Davis, CA, USA
E-mail: chmkim@ucdavis.edu, sbsen@ucdavis.edu

Abstract

Size-induced structural differences in the oxygen-vacancy ordering between nano- and bulk Y-doped CeO2 (YDC) were measured using 89Y MAS NMR spectroscopy, demonstrating a preferential association of the vacancies with Ce atoms in nano-YDC, which may imply pronounced size effects on the ionic conductivity of this solid electrolyte for solid oxide fuel cells.

Graphical abstract: Direct spectroscopic observation of size-dependent vacancy distribution in Y-doped CeO2

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Article information

DOI
https://doi.org/10.1039/B810888A
Article type
Communication
Submitted
26 Jun 2008
Accepted
10 Jul 2008
First published
25 Jul 2008

J. Mater. Chem., 2008,18, 3915-3917

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Direct spectroscopic observation of size-dependent vacancy distribution in Y-doped CeO2

S. Sen, H. J. Avila-Paredes and S. Kim, J. Mater. Chem., 2008, 18, 3915 DOI: 10.1039/B810888A

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