Abstract
In this study, the role of TiO2 MT-150A loading in the polymeric sol was investigated for the synthesis of immobilized TiO2 nanocomposite films on glass substrate using the MT-150A nanoparticles-modified sol–gel method. The nanocomposite film properties were examined using different material characterization techniques including X-ray diffraction, X-ray photoelectron spectroscopy, field emission scanning electron microscopy, UV–Vis spectrophotometer, Scotch tape test and pencil hardness test. The hydrophilicity of films during UV/Vis irradiation and storage in a dark place were evaluated by a contact angle analyzer. The MT-150A loading had a significant effect on the amount of crystallite phases in the films. However, increasing the MT-150A loading in the sol resulted in an increase in rutile phase content. In addition, increasing MT-150A loading in the sol yielded films with higher hydrophilicity but a concentration of 10–30 g/L MT-150A in the sol was found as the maximum for obtaining films with good adherence on the glass substrate.
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Acknowledgments
We are grateful to Ministry of Research, Science and Technology of Iran to support this work. We thank Prof. Ohtani Lab in Hokkaido University for using contact angle measurements and XPS.
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Eshaghi, A., Pakshir, M. & Mozaffarinia, R. Preparation and characterization of TiO2 sol–gel modified nanocomposite films. J Sol-Gel Sci Technol 55, 278–284 (2010). https://doi.org/10.1007/s10971-010-2246-1
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DOI: https://doi.org/10.1007/s10971-010-2246-1