Nanostructural evolution of titania-based materials using modified titanium precursors.

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dc.contributor.authorArrachart, Gen_AU
dc.contributor.authorCassidy, DJen_AU
dc.contributor.authorKaratchevtseva, Ien_AU
dc.contributor.authorTriani, Gen_AU
dc.date.accessioned2010-03-31T23:52:09Zen_AU
dc.date.accessioned2010-04-30T05:07:49Zen_AU
dc.date.available2010-03-31T23:52:09Zen_AU
dc.date.available2010-04-30T05:07:49Zen_AU
dc.date.issued2009-09en_AU
dc.date.statistics2009-09en_AU
dc.description.abstractTitanium ethoxide [Ti(OEt)(4)] was modified with aminobenzoic acid (AB) or aminosalicylic acid (AS) in order to control the hydrolysis and condensation rates, and to allow the preparation of organic-inorganic hybrid materials. A suite of complementary techniques, including Fourier transform infrared spectroscopy, NMR, SEM, thermogravimetric analysis, and X-ray diffraction, were used to elucidate the effects of incorporating an organic functional group into the precursor chemistry and its subsequent affect on the structure and morphology of the resultant hybrid material. The annealing behavior of the resulting hybrid titanium base materials was also investigated. Our studies show that both amino acid organic ligands, AB and AS, chemically bounded to the titanium complex, effect the precursor reactivity, specifically the hydrolysis and polycondensation reactions, which control the evolution and formation of the nanohybrid-based titania material. Following sol-gel processing, the nanohybrid materials are amorphous, due to the incorporation of the organic component. The phase transition (amorphous-anatase-rutile) observed during annealing from 25 degrees to 800 degrees C show subtle differences in the crystallization behavior, which are associated with the nature of the organic ligand. © 2009, Wiley-Blackwell.en_AU
dc.identifier.citationArrachart, G., Cassidy, D. J., Karatchevtseva, I., & Triani, G. (2009). Nanostructural evolution of titania-based materials using modified titanium precursors. Journal of the American Ceramic Society, 92(9), 2109-2115. doi:10.1111/j.1551-2916.2009.03182.xen_AU
dc.identifier.govdoc1503en_AU
dc.identifier.issn0002-7820en_AU
dc.identifier.issue9en_AU
dc.identifier.journaltitleJournal of the American Ceramic Societyen_AU
dc.identifier.pagination2109-2115en_AU
dc.identifier.urihttp://dx.doi.org/10.1111/j.1551-2916.2009.03182.xen_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/3011en_AU
dc.identifier.volume92en_AU
dc.language.isoenen_AU
dc.publisherWiley-Blackwellen_AU
dc.subjectTitaniumen_AU
dc.subjectPrecursoren_AU
dc.subjectCrystallizationen_AU
dc.subjectSol-gel processen_AU
dc.subjectAmino acidsen_AU
dc.subjectHybridizationen_AU
dc.titleNanostructural evolution of titania-based materials using modified titanium precursors.en_AU
dc.typeJournal Articleen_AU
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