期刊
CURRENT ANALYTICAL CHEMISTRY
卷 17, 期 2, 页码 279-284出版社
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/1573411016666200108143913
关键词
Degradation; methylene blue; Ni doped TiO2 nanorods; photocatalysts; photon induced method; sun-light irradiation
This study reported a simple and effective approach to synthesize pure and Ni-doped TiO2 nanorods with enhanced photocatalytic activity. The Ni doping improved the formation of rod-like TiO2 sample and significantly increased the degradation efficiency of methylene blue under direct sunlight irradiation. Overall, Ni doping shows great potential for modifying TiO2 for water treatment applications.
Objective: Herein, we reported a simple and effective approach to synthesis of pure and Ni(2+ )doped TiO2 nanorods by a photon-induced method (PIM) followed by calcination at 850 degrees C in air atmosphere. Methods: Basically, the PIM was used to tuning the properties of as-prepared TiO2 photocatalyst. These obtained samples were further characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), high resolution transmission electron microscopy (HR-TEM) and UV-visible diffuse reflectance spectroscopy (UV-vis DRS) analysis. XRD results reveals that the both pure TiO2 and Ni doped TiO2 nanorods has anatase phase up to 850 degrees C. Results: The IIR-TEM analysis indicates that doping Ni is favourable to the formation of rod-like TiO2 sample. Also, the observed photocatalytic results demonstrates that the Ni doped TiO2 can be achieved a complete degradation of methylene blue (MB) within 30 min under direct sunlight irradiation as compared to pure TiO2. Conclusion: Therefore, this work revealing the doped Ni has a good potential to modification of TiO2 with an excellent photocatalytic activity for water treatment applications.
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