Characteristics of the silver-doped TiO2 nanoparticles |
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| Authors: | Yun Liu Chun-yan Liu Qing-hui Rong Zhao Zhang |
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| Institution: | Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Tatun Road Jia 3, Chaoyang District, Beijing 100101, PR China |
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| Abstract: | Silver ions doping made enhancement of the photocatalytic activity of TiO2, which was determined by degradation of methyl orange (MO), a probe molecule, in an aqueous solution. X-ray diffraction (XRD) investigation demonstrated that the silver doping changed lattice parameters of TiO2, which should attribute to the O vacancies produced by the substitutional silver ion at lattice site. On above results, a doping mechanism of silver ions in TiO2 was also discussed. |
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| Keywords: | Photoactivity Degradation Doping O vacancy Lattice spacing |
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