Synthesis and Characterization of Chitosan/TiO2 Nanocomposites Using Liquid Phase Deposition Technique

The development of rapid and reliable processes for the synthesis of nano materials is of great importance in the field of nanotechnology. In this paper, the synthesis of Chitosan/TiO2 nanocomposites was carried out by using LPD technology in aqueous medium. The method was performed by mixing the chitosan with TiO2 in the presence of polyvinyl alcohol as the capping agent. In this work, Chitosan/TiO2 encapsulated nanocomposites powder was prepared where chitosan and PVA were used as the solid support and polymeric stabilizer. The optimum concentration of TiO2 in the synthesis of nanocomposites is 0.40%. The stirring time plays an important role in the process. Hence, the time of five hours has been fixed as stirring process and temperature at 70C. The developed Chitosan/TiO2 nanocomposites were characterized by the FTIR spectroscopy, XRD, SEM and TEM analysis. The shape and size of nanocomposites are a distorted octahedron with anatase TiO2 and mean size is about 12.1 nm respectively.