Adsorption Property and Photocatalytic Activity of Sol-Gel Prepared Porous TiO2 Using PEG1000 as Template

Abstract:

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PEG1000 was used as a template to prepare porous TiO2 photocatalyst through sol-gel process. The amount of PEG1000 and calcination temperature and time were studied with respect to porous TiO2 activity. At the optimum adding amount of PEG1000, 30.0% of the initial methyl orange was degraded. Methyl orange adsorption on the porous TiO2 maintained less than 2% during the whole template content range. During the calcination temperature range from 400 oC to 600 oC and time range from 2 h to 5 h, the optimum degradation activity appeared to the sample calcinated at 500 oC for 4 h. Adsorption of the materials had no variation at different calcination temperatures and times, and was quite weak compared with degradation efficiencies. 96.2% of the initial methyl orange was degraded after 100 min of irradiation.

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Periodical:

Edited by:

Zhixiang Hou

Pages:

153-156

DOI:

10.4028/www.scientific.net/AMM.48-49.153

Citation:

C. L. Liu et al., "Adsorption Property and Photocatalytic Activity of Sol-Gel Prepared Porous TiO2 Using PEG1000 as Template", Applied Mechanics and Materials, Vols. 48-49, pp. 153-156, 2011

Online since:

February 2011

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$35.00

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