Preparation and photocatalytic property of SnO_2/TiO_2 nanocomposite

The SnO2/TiO2 nanocomposite had been prepared by the sol-gel method,in which the CTAB was used as engaged-template that reacted with SnCl2 and Ti(OC4H9)4.The morphology and crystal of the nanocomposite were characterized by SEM,XRD,IR and UV-Vis.The results showed that the SnO2/TiO2 nanocomposite was composed of anatase crystal TiO2 and rutile crystal SnO2.Under sunlight,the photocatalytic activity of the SnO2/TiO2 nanocomposite as-obtained was investigated using the methylene blue and alizarin red as simulation pollutants.The SnO2/TiO2 nanocomposite had excellent photocatalytic activity.