Volume 12, number 3
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Preparation of Tio2-PEG Thin Film on Hydrophility Performance and Photocurrent Response

Maulidiyah, Halimahtussaddiyah Ritonga, Catur Elok Faiqoh, Dwiprayogo Wibowo and Muhammad Nurdin*

Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Halu Oleo, Kendari 93232 – Southeast Sulawesi, Indonesia

DOI : http://dx.doi.org/10.13005/bbra/1865

ABSTRACT: TiO2 photocatalytic process has been developed and used in various applications. One of the use of TiO2 is related to the hydrophilic properties, which is shown with a small contact angle between the surface of object and liquid (<10°). In this study, TiO2 was coated on a glass surface with the dip coating method. TiO2 catalyst was prepared by titanium tetraisopropoxide (TTIP) as precursor and polyethylen glycol (PEG) as template calcined at a temperature of 450°C. The addition of PEG was varied to obtain optimal conditions. Measurement of Diffuse Reflectance Spectroscopy UV-Vis (DRS UV-Vis) showed a decrease in the value of the band gap for TiO2, TiO2-PEG 200, TiO2-PEG 400 and TiO2-PEG 1000 were 3.153 eV; 3.056 eV; 3.012 eV and 2.975 eV, respectively. Results of contact angle measurements have been achieved hydrophilic properties. While, the photocurrent response of the three TiO2 working electrodes added the PEG 200, PEG 400, PEG 100 were 2.3×10-3 A, 2.2×10-3 A and 4.2×10-3 A, respectively. Therefore, PEG could improve the performance of TiO2 catalysts.

KEYWORDS: TiO2-PEG; Thin film; Hydrophilic; Photoelectrocatalytic

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Maulidiyah, Ritonga H, Faiqoh C. E, Wibowo D, Nurdin M. Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Halu Oleo, Kendari 93232 – Southeast Sulawesi, Indonesia. Biosci Biotech Res Asia 2015;12(3)

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Maulidiyah, Ritonga H, Faiqoh C. E, Wibowo D, Nurdin M. Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Halu Oleo, Kendari 93232 – Southeast Sulawesi, Indonesia. Biosci Biotech Res Asia 2015;12(3). Available from: http://www.biotech-asia.org/?p=2266

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