Abstract
Microporous TiO2 films were fabricated using a two-step replicating process, in which porous anodic alumina was used as a template. The TiO2 films prepared from a TiO2 sol solution had straight micropores of high aspect ratio, and the distribution of the pore diameter was very sharp. Change due to postheating treatment of as-prepared TiO2 films was examined by electron diffraction analysis and scanning electron microscopic observation.