Synthesis of Well-Dispersed CeO_2-CuO_x composite Hollow Spheres with Superior Catalyticactivity for Cooxidation

<正>Well-dispersed CeO_2-CuO_x composite hollow spheres have been successfully synthesized through a facilereflux method using carbon spheres as sacrificial templates.The shells of the hollow spheres,~40 nm inthickness,consist of self-assembled 10~15nm sized nanoparticles.Scanning electron microsco-

Well-dispersed CeO2-CuOxcomposite hollow spheres have been successfully synthesized through a facilereflux method using carbon spheres as sacri- ficial templates. The shells of the hollow spheres, - 40 nm inthickness, consist of self-assembled 10-15 nm sized nanoparticles.