Being a model reaction,the photocatalytic decolorization of direct fast blue(DFB)in CeO_2/TiO_2 powder suspension was investigated.

• 以紫外灯为光源 ,直接耐晒兰 (DFB)的脱色为模型反应 ,研究了CeO2 /TiO2 的光催化活性。