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Citation: ZHAO Xiu-Feng, ZHANG Zhi-Hong, MENG Xian-Feng, LIU Lang, JIA Dian-Zeng. Preparation and Photocatalytic Activity of Mo-doped TiO₂/AC Immobilized Membranes[J]. Chinese Journal of Applied Chemistry, ;2003, 20(4): 355-359. shu

Preparation and Photocatalytic Activity of Mo-doped TiO₂/AC Immobilized Membranes

1.
a Institute of Applied Chemistry, Xinjiang University, Urmuqi 830046;
2.
b Department of Chemistry, Changji College, Changji

Corresponding author: ZHAO Xiu-Feng,
Received Date: 4 September 2002
Available Online: 20 January 2003
Fund Project:

Mo-doped TiO₂/AC immobilized membranes were formed on the surface of active carbon (AC) by a solgel method from ammonium molybdate and tetrabutylorthotitanate and characterized by UV-Vis spectrophotometry,TEM and XRD.The photocatalytic activities of the immobilized membranes were evaluated in photodegradation of methyl orange and omethoate aqueous solutions,respectively.The results show that both the rutile phase and anatase phase are formed in Mo-doped TiO₂/AC immobilized membranes,but only rutile phase in the un-doped TiO₂/AC immobilized membrane.The band edges in diffuse reflectance UV-Vis spectra of the Mo-doped TiO₂/AC immobilized membranes show a red shift as compared with that of the un-doped membrane.The immobilized membrane shows the highest photocatalytic activity when mass fraction of Mo in TiO₂ is 1.5%.
- Mo-doping,
- TiO₂/AC immobilized membrane,
- sol-gel method,
- preparation,
- photocatalytic activity
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Preparation and Photocatalytic Activity of Mo-doped TiO₂/AC Immobilized Membranes