Preparation of Co/TiO_2 Nanoparticles and Its Photocatalytic Property

TiO2 and Co/TiO2 nanoparticles were prepared from butyl titanate by sol-gel method.Co was adulterated in TiO2 to slower conversion of TiO2 from anatase into rutile and improve photocatalytic activity of Co/TiO2 nanoparticles.The Co/TiO2 nanoparticles of calcination at 500 ℃ exhibited photocatalytic degradation activity to direct bromophenol blue under xenon lamp.