Issue 1, 2002
From the journal:

Journal of Materials Chemistry

L. T. Sim,a   C. K. Leea  and  A. R. Westb  

a Department of Chemistry, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia

b Department of Engineering Materials, University of Sheffield, Mappin Street, Sheffield, UK

Abstract

Both the low (γ)- and high (γ′)-temperature polymorphs of Bi2MoO6 are oxide ion conductors. The γ′ conductivity at 300 °C is comparable to that of yttria-stabilized zirconia (YSZ) while its activation energy, 0.510(2) eV, is much less than that of YSZ, 0.79 eV, and is lower than that of the best low temperature oxide ion conductor, BIMEVOX: Bi2V0.9Cu0.1O5.35, 0.56 eV, thus suggesting that γ′-Bi2MoO6 contains a small number of highly mobile oxide ions. This may account for its usefulness as an oxidation catalyst.

Graphical abstract: High oxide ion conductivity in Bi2MoO6 oxidation catalyst

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Article information

DOI
https://doi.org/10.1039/B106792N
Article type
Communication
Submitted
26 Jul 2001
Accepted
17 Oct 2001
First published
16 Nov 2001

J. Mater. Chem., 2002,12, 17-19

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High oxide ion conductivity in Bi2MoO6 oxidation catalyst

L. T. Sim, C. K. Lee and A. R. West, J. Mater. Chem., 2002, 12, 17 DOI: 10.1039/B106792N

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