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Erschienen in:
12.12.2015
Synthesis, characterization and photocatalytic properties of nickel-doped TiO2 and nickel titanate nanoparticles
Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 4/2016
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Abstract
The nickel-doped titanium dioxide, nickel titanate and pure titanium dioxide nanopowders were prepared by the Sol–gel method. Nanopowders annealed at 700 °C to form a crystalline structure and eliminate organic impurities. Products morphological and optical properties were characterized by X-ray diffraction, energy dispersive X-ray microanalysis, UV–Vis diffuse reflectance spectroscopy, scanning electron microscopy, transmission electron microscopy and Fourier transform infrared spectroscopy techniques. By scanning electron microscopy and transmission electron microscopy was revealed the nanosize of the products and the agglomerated nature of very fine particles of powders by increasing nickel content. Samples were used for photodecomposition of Rhodamine B in a liquid phase under ultraviolet light irradiation. The results showed that appropriate content of nickel can effectively enhance the photocatalytic activity of titanium dioxide nanopowder.