Also,mesoporousTiO2 is greatly expected to be applicable as a photocatalyst and solar cell.1,2 These mesoporous TiO2 compounds have been attractive for improving their photocatalytic properties because the successful syntheses of mesoporous
silica of a few nanometers in diameter, such as Mobil’s Composition of Matter (MCM, which was reported by Mobil in 19923) and the folded sheets mechanism (FSM, which was reported by Inagaki et al.5), were reported.3-12 However, there are no reports on the synthesis of mesoporous materials with large diameters of some tens of nanometers.Additionally,