INORGANICCHEMICALSINDUSTRY ›› 2011, Vol. 43 ›› Issue (10): 22-.
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SUN Dong-Feng, SONG Ming, HAN Yi-Dan, ZHANG Xiu-Ling
Published:
Abstract: As the magnetic nuclear,CoFe2O4 nano-sized particles were prepared by chemical coprecipitation method at first.Through coating TiO2 on the surface of magnetic CoFe2O4 by hydrolysis of TiOSO4,a paramagnetic TiO2/CoFe2O4 composite photocatalytic material that is easy for solid-liquid separation was prepared.Properties of sample were characterized by XRD,TEM,and VSM.Photocatalyst reactivity was evaluated by using methyl orange aqueous solution as simulated contaminants.Results indicated that the TiO2/CoFe2O4 composite photocatalytic material had good crystal form and the TiO2 and CoFe2O4 of the sample existed as anatase phase and spinel structure,respectively;diameter of the TiO2/CoFe2O4 particles was at 40~50 nm and particles showed superparamagnetism;the TiO2/CoFe2O4 composite photocatalytic material possessed high photocatalytic activity and reused performance.
Key words: TiOSO4, magnetic, TiO2/CoFe2O4, composite photocatalytic material
CLC Number:
TQ134.11
SUN Dong-Feng, SONG Ming, HAN Yi-Dan, ZHANG Xiu-Ling. Preparation and characterization of TiO2/CoFe2O4 magnetic photocatalytic material[J]. INORGANICCHEMICALSINDUSTRY, 2011, 43(10): 22-.
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