2,4-dichlorophenol; molecular imprinting; sol-gel method; TiO2-SiO2. 2,4-dichlorophenol; molecular imprinting; sol-gel method; TiO2-SiO2.
Department of Chemistry, Taizhou University, Linhai 317000, China
Adv. Mater. Lett., 2010, 1 (3), pp 188-192
Publication Date (Web): Apr 08, 2012
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A novel 2, 4-dichlorophenol imprinted TiO2-SiO2 catalyst was prepared by molecular imprinting technique in combination with sol-gel method. The prepared material was characterized by X-ray diffraction (XRD), infrared spectroscopy (IR), scanning electron-microscopy (SEM), transmission electron microscopy (TEM) and N2 adsorption measurement. The effect of the preparation condition on the degradation behavior, the photo-catalytic ability and selectivity of the prepared material were evaluated. The results show that the imprinted material has good photo-degradation capacity and selectivity toward the target pollutant, which was shown to be promising for selective removal of 2, 4-dichlorophenol from environmental samples.
2,4-dichlorophenol, molecular imprinting, sol-gel method, TiO2-SiO2.