Abstract
N,W codoped \(\mathrm{TiO}_{2}\) nanorods were synthesized via a one-step hydrothermal method using ammonium metatungstate as the nitrogen and tungstate sources. The prepared samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), UV–visible diffuse reflectance spectroscopy (DRS), and X-ray photoelectron spectroscopy (XPS). The results indicated that the N,W codoped \(\mathrm{TiO}_{2}\) nanorods exhibited a higher photocatalytic activity under visible light irradiation compared with P25 and undoped \(\mathrm{TiO}_{2}\), because the codoping of N and W ions not only extended the visible light absorption but also promoted the separation of the photogenerated electrons and holes.
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Acknowledgements
This work was financially supported by the National Natural Science Foundation of Heilongjiang Province (No. QC2012C072).
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Cui, X., Rong, S., Cao, Y. et al. One-step hydrothermal synthesis of nitrogen and tungsten codoped TiO2 nanorods with high visible light photocatalytic activity. Appl. Phys. A 113, 47–51 (2013). https://doi.org/10.1007/s00339-013-7896-8
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DOI: https://doi.org/10.1007/s00339-013-7896-8