Amorphous SiO_2,anatase TiO_2 and cassiterite SnO_2 hollow spheres were successfully prepared using colloidal carbon spheres as template in conjunciton with the sol-gel method.

• 介观尺度的氧化物空心球材料在许多领域都有着潜在的应用价值[1],因此近年来受到人们的广泛关注。