Preparation and Characterisation of PVA+TiO2 Nanofiber by Electrospinning Technique

Abstract

In the present work PVA+TiO₂ nanofibers were prepared by electrospinning technique. Structural and Functional groups were carried out by X-Ray diffraction and FTIR technique. The optical analysis was analysed by UV-DRS and Photoluminscence studies. Morphology and compositional were characterized by FESEM and EDS analysis. From Structural analysis shows PVA+TiO₂ anatase crystal structure and crystallite size are nanometers. The FTIR technique was used to find out the functional groups present in the prepared set of samples. The optical analysis shows above 70% transparency in the visible region. From the PL analysis titanium and oxygen vacancies are found to be 375 and 526 nm. FESEM analysis of the annealed samples shows the uniformity of nanofibers without any beads which is attributed to the interaction of TiO₂ particles with the PVA matrix. From the compositional analysis, the atomic weight percentage of Ti and O increases with the TiO₂ loading in PVA.