Synthesis,optical properties,and photocatalytic activity of lanthanide-doped anatase |
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| Authors: | I V Baklanova V N Krasil’nikov V P Zhukov O I Gyrdasova L A Perelyaeva L Yu Buldakova M Yu Yanchenko I R Shein |
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| Institution: | 1. Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences, ul. Pervomaiskaya 91, Yekaterinburg, 620219, Russia
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| Abstract: | Quasi-one-dimensional (1D) Ti1 ? x Ln x O2 ? x/2 anatase solid solutions were prepared by heating Ti1 ? x Ln x (OCH2CH2O)2 ? x/2 precursors, where Ln = Nd, Eu, Tb, Er (x = 0.025), or Sm (0.005 ≤ x ≤ 0.025), in air. These solid solution were found to have a photocatalytic activity in hydroquinone oxidation in aqueous solution under exposure to UV radiation. UV-Vis absorption spectra were recorded for Ti1 ? x Ln x O2 ? x/2 (Nd, Sm, Eu, Tb, or Er). The electronic structure and optical absorption spectra were calculated for anatase doped with neodymium, samarium, or terbium. |
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