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ZhaoHong Meng,LuHe Wan,LiJuan Zhang,ShuYing Zang 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.6
Ce, N codoped TiO2 nano-particles were fabricated through sol–gel strategy in the absence of water. Results revealed that Ce was not implanted into the lattice of TiO2 and existed as the forms of smallcluster CeO2 which uniformly diffused onto the surface or interstitial site of TiO2, while N dopants weresuccessfully incorporated into the structure of TiO2 by substituting the lattice oxygen atoms and existedas the forms of N–Ti–O bonds, thereby resulting in the formation of impurity level above the valenceband of TiO2 and enhancement of visible photocatalytic (PC) performance. The enhanced visible PCmechanism was discussed.