A Study of the Heat Treatment Process of Titanium Oxide Xerogels

Chem. J. Chinese Universities ›› 1993, Vol. 14 ›› Issue (7): 971.

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A Study of the Heat Treatment Process of Titanium Oxide Xerogels

LIU Shuang-Huai¹, ZHOU Gen-Tao¹, PENG Ding-Kun², ZHOU Gui-En³, JIA Yuh-Bo³, LU Bin³

1. Dept, of Appl.Chem., Univ.of Sci.& Techn.of China, Hefei, 230026;
2. Dept, of Mater.Sci.&.Eager., Univ.of Sci.& Techn.of China, Hefei, 230026;
3. Structure Res.Lab., Univ.of Sci.& Techn.of China, Hefei, 230026

Received:1992-07-18 Revised:1993-02-25 Online:1993-07-24 Published:1993-07-24

Abstract

Abstract: In this paper, we investigated the calcined process of titanium oxide xerogels, which were prepared in the nonpolar solvents (C₆H₆, CCl₄) by sol-gel method at different heat rate in O₂ atmosphere.The phase composition and structure, the particle shape, size and distribution of the derived titanium oxide ultrafine powder were analyzed by differential thermal analysis, thermal gravimetry, FT-IRspectra, X-ray diffraction and transmission electron microscope.The possible mechanism of phase transition was given in terms of grain size varing with annealed temperature.

Key words: Titanium oxide, Sol-gel, Ultrafine powder

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LIU Shuang-Huai, ZHOU Gen-Tao, PENG Ding-Kun, ZHOU Gui-En, JIA Yuh-Bo, LU Bin. A Study of the Heat Treatment Process of Titanium Oxide Xerogels[J]. Chem. J. Chinese Universities, 1993, 14(7): 971.

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A Study of the Heat Treatment Process of Titanium Oxide Xerogels

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