Thermal stability of nanostructured titania and titania-ceria ceramic powders prepared by the sol-gel process

Gerald W. Koebrugge, Louis Winnubst, Anthonie J. Burggraaf

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The preparation and characterisation of nanometre TiO2 powder materials, prepared by the sol-gel method, are described. Controlled hydrolysis of a titanium-2-methyl-2-butoxide precursor was applied to obtain alcosols with particles (in alcohol) smaller than 5 nm. Powders obtained from this sol were heat treated and characterised by means of X-ray diffraction, differential calorimetry, thermogravimetry and N2 adsorption. TiO2 particles grew during annealing. Ce addition decreased the growth rate.
Original languageEnglish
Pages (from-to)1095-1100
Number of pages6
JournalJournal of materials chemistry
Issue number11
Publication statusPublished - 1993

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