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Synthesis of Nano-TiO2 Thin Films by Sol-gel Dip-coating Method | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 33, 7B, 2015, Pages 1303-1312 PDF (1.08 M) | ||
| DOI: 10.30684/etj.2015.116698 | ||
| Authors | ||
| Bushra R. Mahdi; Abass F. Al.mamori; Adnan meship Mahdi | ||
| Abstract | ||
| Synthesis of titanium dioxide (TiO2) Thin film on three microscope glasses using sol-gel method has been studied intensively. The starting materials were titanium(III)chloride, Ammonium Hydroxide. The components were mixed together to form the sol. Then, at 50℃ heating and ageing was applied to form stable sol-gel . Every glass substrate dipping in sol-gel beaker for period time (1,3,5)min respectively, for obtaining different thickness films. To evaluate the performance of films, After annealing at 500℃ , the crystallinity of the films was determined by using the x-ray diffractometer (XRD). The change on the surface morphology was observed using Atomic Force Microscope(AFM). Finally, Optical properties measurements Absorbance (A) and transmittance(T)) for (TiO2) films were studied by UV-Visible spectrometer. analysis on the films. It has been successfully shown that the anatase crystalline phase was observed when the TiO2 thin film was annealing at 500°C. The roughness and the crystalline size of TiO2 thin film changed with the thickness. The minimum grain size( 6.92) nm for thickness 1.2µm UV-visible studying that absorption is maximum at UV spectrum (opaque) and the transmittance is maximum at the visible spectrum | ||
| Keywords | ||
| sol; gel; TiO; Structural properties; Optical properties; Surface morphology | ||
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