A comparative study on characterization and photocatalytic activities of gadolinium–boron codoped and mono-doped TiO2 nanoparticles

A comparative study on characterization and photocatalytic activities of gadolinium–boron... Gadolinium–boron codoped and mono-doped TiO2 nanoparticles were prepared using a sol–gel method, and tested for photocatalytic activity by the UV light after a further calcination process. For comparison, a pure TiO2 sample was also prepared and tested under the same conditions. The prepared catalysts were characterized by X-ray diffraction, scanning electron microscope, and UV–Vis spectra. The photocatalytic activity of the samples was evaluated through the photo-degradation of three different dyes under UV light. The experiments demonstrated that the gadolinium–boron codoped TiO2 (Gd–B–TiO2) sample calcined at 500 °C possessed the best photocatalytic activity, and the photodegradation rate of the Reactive Brilliant Red K2G aqueous solution could reach to 95.7% under UV irradiation for 80 min. The results showed that Gd–B–TiO2 has smaller crystallite size and higher photocatalytic activity than that of mono-doped TiO2 samples and undoped TiO2. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

A comparative study on characterization and photocatalytic activities of gadolinium–boron codoped and mono-doped TiO2 nanoparticles

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Springer Netherlands
Copyright © 2011 by Springer Science+Business Media B.V.
Chemistry; Catalysis; Inorganic Chemistry; Physical Chemistry
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