Hydrothermal synthesis and characterization of Lanthanum-doped NaTaO3 with high photocatalytic activity |
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| Authors: | Xia Li Jinling Zang |
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| Affiliation: | College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, People''s Republic of China |
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| Abstract: | Lanthanum-doped NaTaO3 (NaTaO3:La) nanocrystals have been synthesized by a hydrothermal method. X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), X-ray photoelectron spectroscopy (XPS), transmission electron microcopy (TEM), inductive coupled plasma atomic absorption spectrometric analysis, volumetric adsorption method (BET) and UV–vis spectroscopy were used to characterize the samples. The NaTaO3:La nanocubes show a higher photocatalytic activity than that of the pure NaTaO3 in the degradation of the safranine T dye under UV irradiation. The highest photocatalytic activity was achieved when 2 mol% lanthanum was doped. |
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| Keywords: | Hydrothermal method Doping Sodium tantalate Photocatalytic activity |
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