Modification and Photocatalytic Activity of TiO2 Inverse Opal Membranes

doi:10.3724/SP.J.1077.2013.12251

Journal of Inorganic Materials ›› 2013, Vol. 28 ›› Issue (3): 283-286.DOI: 10.3724/SP.J.1077.2013.12251

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Modification and Photocatalytic Activity of TiO₂ Inverse Opal Membranes

WU Jun¹, Wang Ai-Jun^1,2, CHEN Sheng-Li¹, YUAN Gui-Mei^1,2, WANG Xiao-Dong¹, ZHANG Lin¹

(1. State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum-Beijing, Beijing 102249, China; 2. College of Science, China University of Petroleum-Beijing, Beijing 102249, China)

Received:2012-04-20 Revised:2012-07-12 Published:2013-03-20 Online:2013-02-20
About author:WU Jun. E-mail: wj_871010@126.com
Supported by:
National Natural Science Foundation of China (20976192); Doctoral Scientific Fund Project of the Ministry of Education of China (20090007110003)

Abstract

Abstract: The surface of TiO₂ inverse opal material was modified by Liquid Phase Deposition(LPD) method, and a layer of TiO₂nanoparticles was deposited on the inverse opal framework in order to increase the specific surface area. The photo-catalytical degradation of Rhodamine B was used as the probe-reaction to investigate the photocatalysis activity of the TiO₂ inverse opal membranes, and the influences of boric acid concentration of the LPD solution on surface morphology and photocatalysis activity of TiO₂ inverse opal membranes were investigated. The results showed that the photocatalysis activity of TiO₂inverse opal membrane modified by LPD method was improved which was about 6 times higher than that of the unmodified TiO₂inverse opal when the boric acid concentration of PLD solution was 0.0183 g/mL.

Key words: titanium dioxide, inverse opal, liquid phase deposition, photocatalysis

CLC Number:

O644

WU Jun, Wang Ai-Jun, CHEN Sheng-Li, YUAN Gui-Mei, WANG Xiao-Dong, ZHANG Lin. Modification and Photocatalytic Activity of TiO₂ Inverse Opal Membranes[J]. Journal of Inorganic Materials, 2013, 28(3): 283-286.

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Modification and Photocatalytic Activity of TiO₂ Inverse Opal Membranes

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