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Structural and Optical Properties of Annealed TiO2 Powder Synthesized by Hydrothermal Method | ||
| Iraqi Journal of Science | ||
| Article 1, Volume 58, Issue 3, 2018, Pages 1683-1693 | ||
| Authors | ||
| Sariya D. Al-Algawi; Rashed T. Rasheed; Zeena R. Rhoomi | ||
| Abstract | ||
| Titanium dioxide (TiO2) Nano powder has been synthesized by hydrothermal method. The reaction took place between titanium tetrachloride (TiCI4) and mixture solution consisted of deionized water and ethanol, in the ratio (3:7) respectively. Structure and surface morphology of TiO2 Nano powder at different annealing temperatures in the range 200-800°C for 120 min were characterized by X-ray diffraction (XRD), Atomic Force Microscope (AFM), Scanning Electron Microscopy (SEM), FT-IR and UV/visible spectroscopy measurements. The results show that with an increase in annealing temperature, the value of the intensity of (110) peak for rutile phase increases while the value of the full-width at half maximum (FWHM) decreases, and the band gap decreases with increasing temperature. | ||
| Keywords | ||
| Titanium dioxide; hydrothermal | ||
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