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Porous B-TiO2 Prepared by Sol-Gel Method Using Boric Acid as Boron Source
Abstract:
Three kinds of templates were used to prepare porous boron doped TiO2 based photocatalysts by sol-gel method. Adsorption of methyl orange on the materials maintained with very slight variation in template adding concentration. With increasing PEG1000 concentration, photocatalytic activity of the material presented obviously variation. The optimal concentration appeared at 0.08 mol/l, where methyl orange degradation rate was 24.7%. When PEG400 concentration was 0.14 mol/l, photocatalytic degradation rate of methyl orange on the material was 17.9%. In the template concentration range from 0.06 mol/l to 0.16 mol/l, degradation activity occurred at CTAB concentration of 0.10 mol/l showed the optimal value of 31.1%, which was the highest among the three kinds of templates.
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146-149
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March 2012
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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