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Insertion of Oxide Clusters and Poly (Phenylene Vinylene) in MoO3 by Ion Exchange

Published online by Cambridge University Press:  28 February 2011

L.F. Nazar ,
X.T. Yin ,
D. Zinkweg ,
Z. Zhang  and
S. Liblong
X.T. Yin
Affiliation:
Guelph-Waterloo Centre for Graduate Work in Chemistry, University of Waterloo, Department of Chemistry, Waterloo, Ontario, N2L 3G1
D. Zinkweg
Affiliation:
Guelph-Waterloo Centre for Graduate Work in Chemistry, University of Waterloo, Department of Chemistry, Waterloo, Ontario, N2L 3G1
Z. Zhang
Affiliation:
Guelph-Waterloo Centre for Graduate Work in Chemistry, University of Waterloo, Department of Chemistry, Waterloo, Ontario, N2L 3G1
S. Liblong
Affiliation:
Guelph-Waterloo Centre for Graduate Work in Chemistry, University of Waterloo, Department of Chemistry, Waterloo, Ontario, N2L 3G1
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Abstract

AxMoO3(H20)y has been shown to undergo substantial exfoliation of the layer structure in water wheen A = Li. Although extensive exfoliation of the Na form is not observed, sufficient swelling occurs to enable the insertion of large polyoxycations of Al, Ga, Zr, Ti and Cr between the layers of MoO3 by ion exchange with colloidal dispersions of NaXMoO3. This represents the first such "pillaring" reactions for MoO3. Interlayer expansions are observed to range from 7 to 14Å in these materials. In some cases, the orientation of the oxide cluster between the layers can also be determined by 1D electron density mapping. We have also shown that this method can be applied to the insertion of conductive polymers via incorporation of a water-soluble precursor polymer. The sulfonium ionomer precursor of poly (p-phenylene vinylene) has been intercalated in MoO3, to form a novel polymer/oxide layered structure. Data for the heat-treated [PPV]32MoO3 films show an order of magnitude increase in conductivity over that of pristine NaxMoO3.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 210: Symposium L – Solid State Ionics II , 1990 , 417
Copyright
Copyright © Materials Research Society 1991

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