Preparation And Characterization Of Tio_2 Nanosponge

摘要

A procedure was developed to coat functionalized polystyrene spheres with well-defined layer of amorphous titanium dioxide. The core-shell particles can be turned into TiO_2 nanosponge by calcining the dried particles in a furnace. The phase transformation temperature of TiO_2 hybrid microspheres from anatase to rutile was increased by about 200℃ due to the blocking function of the calcined polymer remainder.