A Facile Synthesis of Anatase Ni2+ Doped TiO2 Nanorods with Highly Improved Visible-Light Photocatalytic Performance

(E-pub Ahead of Print)

Author(s): G. Nagaraj*, R.A. Senthil, Rajender Boddula, K. Ravichandaran.

Journal Name: Current Analytical Chemistry

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Objective: Herein, we reported a simple and effective approach to synthesis of pure and Ni2+ doped TiO2 nanorods by a photon-induced method (PIM) followed by calcination at 850 ºC 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°C.

Results: The HR-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.

Keywords: Ni doped TiO2 nanorods, Photon induced method, Photocatalysts, Methylene blue, Degradation, Sun-light irradiation

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Article Details

(E-pub Ahead of Print)
DOI: 10.2174/1573411016666200108143913
Price: $95