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Properties and Photoelectrocatalytic Behaviour of Sol-Gel Derived TiO2 Thin Films

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Abstract

Titanium dioxide (TiO2) thin films have been prepared on indium doped tin oxide (ITO) glass by sol-gel dip-coating method. Properties of the films were determined as a function of heat-treatment by X-ray diffraction, scanning electron microscopy and photoelectrochemical tests. The films heat-treated at higher temperatures show better crystallinity and photoresponse. The microscopic structure on the film after heat-treatment is attributed to the incorporation of organic polymer into the precursor solution. The performance of the electrodes treated at different temperature on photoelectrocatalytic degradation of methyl orange was investigated. The effect of applied potential and the ability of the electrode to be repeatedly used in photoelectrocatalytic degradation were also evaluated.

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Correspondence to Zulkarnain Zainal.

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Zainal, Z., Lee, C.Y. Properties and Photoelectrocatalytic Behaviour of Sol-Gel Derived TiO2 Thin Films. J Sol-Gel Sci Technol 37, 19–25 (2006). https://doi.org/10.1007/s10971-005-4890-4

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  • DOI: https://doi.org/10.1007/s10971-005-4890-4

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