Preparation and application of poly(alkoxytitanate) as a TiO2 precursor with high storage stability

Mesoporous TiO 2 nanoparticles were synthesized via a fast and classical sol–gel method, respectively. Polyacrylamide was used as the template in the fast sol–gel route; the polymerization crosslink by hydrogen bonds between the template and hydrolysates of Ti alkoxides shortens the reaction time from several days to several hours. The X-ray diffraction results testified that only anatase was obtained in the samples, and the crystallite sizes of the samples prepared by fast and classical sol–gel method were 13.6 nm and 20 nm, respectively. Transmission electron microscopy and N 2 adsorption–desorption reveal that the nanocrystals have typical mesoporous structure and high surface areas. The pore sizes and surface areas of the samples prepared by fast and classical sol–gel method are 17.3 nm and 28.2 nm, 154.7 m2/g and 102.6 m2/g, respectively. The photocatalytic degradation of methyl orange solution under UV light irradiation suggests that the mesoporous TiO 2 photocatalyst prepared by the fast sol–gel method exhibits higher photocatalytic activity than the mesoporous TiO 2 prepared via classical sol–gel method.

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Fabrication, structural morphology and photocatalytic activity of mesoporous TiO₂prepared by fast sol–gel method

Xiang

Yin

Zhang

et al. 2014

Materials Technology

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Preparation and application of poly(alkoxytitanate) as a TiO2 precursor with high storage stability

Cited by 3 publications

References 36 publications

Development of complete silica thin films based on functional hyperbranched polyalkoxysiloxanes

Development of complete silica thin films based on functional hyperbranched polyalkoxysiloxanes

Fast Sol–Gel Method to Prepare Mesoporous TiO₂ with High Photocatalytic Activity

Fabrication, structural morphology and photocatalytic activity of mesoporous TiO₂prepared by fast sol–gel method

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Preparation and application of poly(alkoxytitanate) as a TiO2 precursor with high storage stability

Cited by 3 publications

References 36 publications

Development of complete silica thin films based on functional hyperbranched polyalkoxysiloxanes

Development of complete silica thin films based on functional hyperbranched polyalkoxysiloxanes

Fast Sol–Gel Method to Prepare Mesoporous TiO2 with High Photocatalytic Activity

Fabrication, structural morphology and photocatalytic activity of mesoporous TiO2prepared by fast sol–gel method

Contact Info

Product

Resources

About

Fast Sol–Gel Method to Prepare Mesoporous TiO₂ with High Photocatalytic Activity

Fabrication, structural morphology and photocatalytic activity of mesoporous TiO₂prepared by fast sol–gel method