Effects of solvent on TiO2 sol-gel thin films

Abdul Hamid, Abdul Wafi (2017) Effects of solvent on TiO2 sol-gel thin films. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This research involves studying the effect of solvent and annealing temperature on the coating properties of sol-gel titanium dioxide, TiO2 thin films. There are several studies discussed about the effect of solvent and the influences of different anneal heat treatment temperature on the TiO2 coating. Nevertheless, there is no systematic research on this title. In the sol-gel method, titanium tetraisopropoxide (TTiP) is used as a precursor to produce TiO2 thin film. Hydrochloric acid (HCl) act as acidic catalyst and ethanol (EtOH) act as solvent that manipulated to investigate the influence of different amount of solvent concentration on the morphological structure properties of TiO2 thin films. The TiO2 thin films will then deposited on glass substrate by dip-coating technique. Then, the TiO2 thin film samples are heat treated at different temperatures, particularly 500°C and 600°C to analyse the effect of annealing temperature on the morphology and phase transformation of TiO2 thin films through different amount of solvent concentration. In addition, it is also worth noting that the allocation TiO2 particles behave differently when different annealing temperatures were used in the film. It has been found that the concentration is more widespread in higher temperatures.

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