Preparation and Photocatalytic Properties of Fe-Doped TiO2 Nanocrystalline Composite Particles
Metatitanic acid was adopted as the raw material to prepare Fe-doped TiO2 nanocrystalline composite particles using suspension polymerization and sol-gel method, which were then characterized with XRD, TEM, TG-DTA and IR, etc.. The results showed the samples were nanocrystal accumulated porous particles, with average particle size of 29nm. Through doping of Fe3+ ion, the photo catalytic activities of particles under Xe lamp were investigated by photodegrading the methyl orange. It was found that, the TiO2 nanocrystal doped with 0.5% Fe3+ ion (accounted as mass fraction) had the highest catalytic activity. The Fe-doped TiO2 nanocrystalline composite particles prepared in this study has high activity, is easy for separation, recovery and reuse.
Wei Pan and Jianghong Gong
H. D. Liao et al., "Preparation and Photocatalytic Properties of Fe-Doped TiO2 Nanocrystalline Composite Particles", Advanced Materials Research, Vols. 105-106, pp. 815-818, 2010