The H6P2W18O62/TiO2composite catalyst was prepared by the combination of nonionic surfactant C18H37(OCH2CH2)10OH(Brij-76)as the template and the sol-gel method.As-synthesized composite was characterized by FT-TR,SEM,N...The H6P2W18O62/TiO2composite catalyst was prepared by the combination of nonionic surfactant C18H37(OCH2CH2)10OH(Brij-76)as the template and the sol-gel method.As-synthesized composite was characterized by FT-TR,SEM,N2 absorption-desorption and NH3-TPD.The results showed that the composite H6P2W18O62/TiO2 was mesoporous material(ca.3.3 nm),and large surface area(99.78 m2/g).Additionally,the aggregation of TiO2 particles was effectively inhibited,and the surface acidity was increased substantially.The photocatalytic elimination of monochlorobenzene was used as model reaction to evaluate the photocatalytic activity of the composite catalyst under visible light separately.Photocatalytic experimental results showed that the composite H6P2W18O62/TiO2 can effectively degradate monochlorobenzene.展开更多
文摘The H6P2W18O62/TiO2composite catalyst was prepared by the combination of nonionic surfactant C18H37(OCH2CH2)10OH(Brij-76)as the template and the sol-gel method.As-synthesized composite was characterized by FT-TR,SEM,N2 absorption-desorption and NH3-TPD.The results showed that the composite H6P2W18O62/TiO2 was mesoporous material(ca.3.3 nm),and large surface area(99.78 m2/g).Additionally,the aggregation of TiO2 particles was effectively inhibited,and the surface acidity was increased substantially.The photocatalytic elimination of monochlorobenzene was used as model reaction to evaluate the photocatalytic activity of the composite catalyst under visible light separately.Photocatalytic experimental results showed that the composite H6P2W18O62/TiO2 can effectively degradate monochlorobenzene.
