Microwave Assisted Hydrothermal Synthesis and Structural Characterization of TiO2 Nanotubes

This paper reports the microwave hydrothermal synthesis of TiO2 nanotubes and their characterization. Structural properties of the as synthesized materials were investigated by X-ray Diffraction (XRD), Transmission Electron Microscopy (TEM) and Raman Spectroscopy. Results revealed that the TiO2 nanotubes consists of different layers of titanates (Na2Ti4O9, H2Ti5O11 x H2O, ZnTiO3). Raman results indicate that there is a definite phase change observed between the samples analysed, which can be attributed to alterations in the morphology and subsequent phase of the samples.