[Preparation and structural characterization of ZnTHPP/TiO2 hybrid material]

Using sol-gel method to make tetra-meso (hydroxylphenyl) zinc porphyrin (ZnTHPP) trapped in inorganic networks of TiO2, a new organic/inorganic hybrid material was prepared. The structures and morphology of this material were characterized by thermogravimetric analyses (TGA), infrared spectrum (FTIR), UV-Vis spectrum (UV), diffuse reflectance spectroscopy (DRS), and scanning electron microscopy (SEM), indicating that ZnTHPP/TiO2 hybrid material possessed excellent thermostability, and ZnTHPP was trapped in TiO2 network with chemical bonds. In addition, ZnTHPP embedding can enlarge the absorption range of light for TiO2 effectivelly.