Abstract
In this work, Ni doped titanium dioxide (Ni-doped TiO2) nanostructures were synthesized by reverse microemulsion method. The effect of calcination temperature on the purity and morphology of Ni-doped TiO2 nanostructures was investigated. The products were characterized by various analyses such as scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and diffuse reflectance spectroscopy. The existence of Ni as dopants was confirmed by decreasing in band gap of TiO2. The pH influence to photoactivity of the as-prepared Ni-doped TiO2 was investigated through decomposition of Acid Red 1 (A.R.1.), Reactive Blue 21 (R.A.21.) and Acid Blue 74 (A.B.74.) as organic pollutants. The kinetic studies revealed that reactions follow the improved Langmuir–Hinshelwood model. The hydrophilicity, surface and interfacial interactions of the products on the floor tile was investigated by wetting experiments and a sessile drop technique at room temperature. The results confirmed that Ni-doped TiO2 has hydrophilicity property, so it can be used as an effective photocatalytic cover for preparation of self-cleaning surfaces under UV irradiation and visible light.
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The authors are grateful to Council of Institute for Colorants, Paint and Coatings-ICST, Tehran, Iran for providing financial support to undertake this work.
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Hasan Shahriari, M., Hosseini-Zori, M. Synthesis and Characterization of Ni-doped TiO2 Nanostructures as an Active Self-cleaning Cover on Floor-Tile Surface. J Clust Sci 28, 2253–2267 (2017). https://doi.org/10.1007/s10876-017-1216-y
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DOI: https://doi.org/10.1007/s10876-017-1216-y