Ultrafine titania by flame spray pyrolysis of a titanatrane complex

Ultrafine titania particles can be produced by flame spray pyrolysis of a chelated metal alkoxide. The precursor can be made by reacting a titanium hydrosol with triethanolamine in ethylene glycol. The chelate, dissolved in ethanol, is misted as an aerosol into an oxidizing flame where it undergoes...

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Bibliographic Details
Published in:Journal of the European Ceramic Society 1998-01, Vol.18 (4), p.287-297
Main Authors: Bickmore, Clint R., Waldner, Kurt F., Baranwal, Rita, Hinklin, Tom, Treadwell, David R., Laine, Richard M.
Format: Article
Language:English
Subjects:
Chemistry
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
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Summary:Ultrafine titania particles can be produced by flame spray pyrolysis of a chelated metal alkoxide. The precursor can be made by reacting a titanium hydrosol with triethanolamine in ethylene glycol. The chelate, dissolved in ethanol, is misted as an aerosol into an oxidizing flame where it undergoes combustion. The combustion process generates particles, probably by a gas phase condensation process, that are discrete single crystals that exhibit some faceting. The powder is a mixture of anatase and rutile (
ISSN:0955-2219
1873-619X
DOI:10.1016/S0955-2219(97)00109-X