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Journal of Inorganic Materials

Journal of Inorganic Materials >

2009 , Vol. 24 >Issue 1: 43 - 48

DOI: https://doi.org/10.3724/SP.J.1077.2009.00043

Research Paper

Effects of Acid on Synthesis of Mesoporous Titania

  • HE Jing-Ping ,
  • ZHANG Zhao ,
  • SHEN Jun ,
  • ZHANG Yu-Ting ,
  • CHEN Yao-Han
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  • School of Chemical Engineering, Sichuan University, Chengdu 610065, China

Received date: 2008-04-03

  Revised date: 2008-06-03

  Online published: 2009-01-20

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Abstract

The mesoporous titania was prepared via Sol-Gel process from Ti(n-C4H9O)4(TBOT) without surfactant templates. Using sulfuric acid or acetic acid as acidity regulator, the TBOT was hydrolyzed in an acidic system, and then its hydrolysate was treated by hydrothermal method. The products were characterized by XRD, N2 adsorption-desorption isotherm and TG-DSC. The results indicate that mesoporous TiO2 can be synthesized through selecting acid, controlling acid concentration and supplementing TEA which can reduce the hydrolysis rate of TBOT. The mesoporous TiO2, prepared with the mole ratio of H2SO4/TBOT/TEA＝1/1/1, shows a surface area of 176m2/g, pore volume of 0.222cm3/g, mean pore size of 5nm, and narrow pore size distribution, and its thermal stability is excellent.

Key words： TiO2; tetrabutyl titanate; acidic hydrolysis; characterization

Cite this article

HE Jing-Ping , ZHANG Zhao , SHEN Jun , ZHANG Yu-Ting , CHEN Yao-Han . Effects of Acid on Synthesis of Mesoporous Titania[J]. Journal of Inorganic Materials, 2009 , 24(1) : 43 -48 . DOI: 10.3724/SP.J.1077.2009.00043

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