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A structural study of amorphous alkoxide-derived lead titanium complexes

Published online by Cambridge University Press:  31 January 2011

Barbara Malič ,
Iztok Arčon ,
Marija Kosec  and
Alojz Kodre
Barbara Malič
Affiliation:
Jožef Stefan Institute, Jamova 39, p.p. 3000, 1001 Ljubljana, Slovenia
Iztok Arčon
Affiliation:
Jožef Stefan Institute, Jamova 39, p.p. 3000, 1001 Ljubljana, Slovenia and School of Environmental Sciences, p.p. 301, 5001 Nova Gorica, Slovenia
Marija Kosec
Affiliation:
Jožef Stefan Institute, Jamova 39, p.p. 3000, 1001 Ljubljana, Slovenia
Alojz Kodre
Affiliation:
Jožef Stefan Institute, Jamova 39, p.p. 3000, 1001 Ljubljana, Slovenia and Department of Physics, Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, 1001 Ljubljana, Slovenia
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Abstract

We studied amorphous lead titanium alkoxide-derived heterometallic complexes, prepared from lead acetate and titanium n-propoxide or n-butoxide in parent alcohol medium. According to gas-liquid chromatography (GLC) and thermogravimetric analysis with mass spectrometry of evolved species (TGA/EGA) analyses, the type of alkoxide group influences oxo or acetate bridging, as well as the amounts of hydroxyl and organic groups bound to the metal network. From XANES and EXAFS analysis, local environments of lead and titanium atoms were determined within the analyzed range of 3.4 Å. Local environments depend weakly on the type of alkoxide used. Titanium atoms are pentacoordinated. A Pb–Ti correlation is established with lead atoms bound to titanium atoms by oxygen linkages.

Type
Articles
Information
Journal of Materials Research , Volume 12 , Issue 10 , October 1997 , pp. 2602 - 2611
Copyright
Copyright © Materials Research Society 1997

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