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Citation: 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[J]. Acta Physico-Chimica Sinica, ;2009, 25(07): 1461-1466. doi: 10.3866/PKU.WHXB20090748 shu

Preparation of Periodic Mesoporous H₆P₂W₁₈O₆₂/TiO₂(Brij-76) Composite and Microwave Enhanced Photocatalytic Degradation of Monochlorobenzene

1.
Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China

Received Date: 17 December 2008
Available Online: 22 May 2009

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.
- Photocatalysis,
- H6P2W18O62/TiO2,
- C18H37(OCH2CH2)10OH,
- Sol-gel method,
- Microwave,
- Monochlorobenzene
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沈阳化工大学材料科学与工程学院沈阳 110142

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Preparation of Periodic Mesoporous H6P2W18O62/TiO2(Brij-76) Composite and Microwave Enhanced Photocatalytic Degradation of Monochlorobenzene

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通讯作者: 陈斌, bchen63@163.com

Preparation of Periodic Mesoporous H₆P₂W₁₈O₆₂/TiO₂(Brij-76) Composite and Microwave Enhanced Photocatalytic Degradation of Monochlorobenzene