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Acta Phys. -Chim. Sin.  2009, Vol. 25 Issue (07): 1461-1466    DOI: 10.3866/PKU.WHXB20090748
Article     
Preparation of Periodic Mesoporous H6P2W18O62/TiO2(Brij-76) Composite and Microwave Enhanced Photocatalytic Degradation of Monochlorobenzene
LI Li, MA Yu, CAO Yan-Zhen, JI Yuan, GUO Yi-Hang
Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China|Faculty of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar 161006, Heilongjiang Province, P. R. China
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Abstract  

The H6P2W18O62/TiO2 (Brij-76) composite was prepared by a combination of the nonionic surfactant polyethylene glycol octadecyl ether polyoxyethulene 10 stearyl ether (C18H37(OCH2CH2)10OH)(Brij-76) as the template and a single-step sol-gel-hydrothermal method. The as-synthesized composite was characterized by Fourier transform infrared (FT-IR) spectrum, X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray (EDX), N2 adsorption-desorption and NH3-temperature programmed desorption (NH3-TPD). Results showed that the average pore diameter of the composite H6P2W18O62/TiO2(Brij-76) was ca 3.31 nm, and it had a large surface area of 99.78 m2·g-1. Additionally, the aggregation of particles was effectively inhibited and the surface acidity increased substantially. The photocatalytic elimination of monochlorobenzene was used as a model reaction to evaluate the microwave enhanced photocatalytic activity of the composite, and the results showed that the composite H6P2W18O62/TiO2 (Brij-76) could effectively degradate monochlorobenzene and had high catalytic activity under microwave irradiation.



Key wordsPhotocatalysis      H6P2W18O62/TiO2      C18H37(OCH2CH2)10OH      Sol-gel method      Microwave      Monochlorobenzene     
Received: 17 December 2008      Published: 22 May 2009
MSC2000:  O643  
Corresponding Authors: GUO Yi-Hang     E-mail: guoyhl@nenu.edu.cn
Cite this article:

LI Li, MA Yu, CAO Yan-Zhen, JI Yuan, GUO Yi-Hang. Preparation of Periodic Mesoporous H6P2W18O62/TiO2(Brij-76) Composite and Microwave Enhanced Photocatalytic Degradation of Monochlorobenzene. Acta Phys. -Chim. Sin., 2009, 25(07): 1461-1466.

URL:

http://www.whxb.pku.edu.cn/10.3866/PKU.WHXB20090748     OR     http://www.whxb.pku.edu.cn/Y2009/V25/I07/1461

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