CeO_2/TiO_2 coupled photocatalyst nanopowder was prepared via sol-gel-immersion process,and the physical chemistry properties of CeO_2/TiO_2 were characterized with XRD and FTIR technology.

• 采用溶胶 凝胶 浸渍法制备了CeO2 /TiO2 二元复合纳米光催化剂 ,用XRD、FTIR等对其进行了表征。