STUDY OF THE FORMATION OF MESOPOROUS TiO2 USING ISOPROPOXIDE PRECURSORS UNDER LESS WATER CONDITIONS

https://doi.org/10.22146/ijc.21833

Indriana Kartini(1*), Gao Qing Lu(2)

(1) Chemistry Department, Faculty of Mathematics and Natural Sciences Gadjah Mada University, Yogyakarta 55281
(2) ARC Centre for Functional Nanomaterials, School of Engineering, The University of Queensland, St Lucia, QLD 4072
(*) Corresponding Author

Abstract


The role of the synthesis parameters (the molar ratio of template, isopropyl alcohol, acetylacetone, and water with respect to titanium(IV) tetraisopropoxide) has been thoroughly investigated to understand their effects on the mesostructures and the formation of crystalline phases of mesoporous titania xerogels in less water condition (no added water) at 60 oC. The resultant mesoporous titania are more likely to have worm-hole like structure as the dominant stable structure. The template appears to play no significant role in structure directing at mesophase level. However, increasing the amount of the template delays the formation of anatase crystalline phase.


Keywords


mesoporous titania; templating synthesis; anatase; evaporation-induced self-assembly

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DOI: https://doi.org/10.22146/ijc.21833

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