Hydrothermal fabrication of WO3-modified TiO2 crystals and their efficiency in photocatalytic degradation of FCF |
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| Authors: | C. P. Sajan A. Naik H. N. Girish |
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| Affiliation: | 1.Department of Studies in Environmental Science,University of Mysore,Manasagangothri, Mysore,India;2.Maharshi Dayanand College of Arts, Science and Commerce,Mumbai,India;3.Department of Studies in Earth Science,University of Mysore,Manasagangothri, Mysore,India |
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| Abstract: | WO3-modified TiO2 polyscale crystals were fabricated successfully using the hydrothermal technique. The as-prepared samples were characterized using powder X-ray diffraction, scanning electron microscopy, Fourier transform infrared spectroscopy, photoluminescence spectroscopy and UV–vis spectroscopy. The photocatalytic application of these synthesized samples was confirmed by photocatalytic degradation of fast green dye solution under sunlight and UV irradiation. The degradation efficiency was analyzed by measuring the parameters such as percent transmittance, chemical oxygen demand and percent decomposition of the dye solution. It was noted that the photodegradation efficiency of the samples varies with added amounts of WO3 content. The highest photodegradation efficiency was obtained using 2WT sample where the pace of decomposition was 70.5% under UV light and 81.3% under sunlight. |
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