N, Fe Co-Doped TiO₂ Photocatalyst Preparation by Sol-Gel Method with Visible Light Response

Abstract

N, Fe co-doped TiO 2 photocatalyst was synthesized by sol-gel method. The catalyst prepared was characterized by X-ray diffraction (XRD), Fourier transform infrared (FT-IR), Ultraviolet and visible spectroscopy (UV-vis). The results showed that the N, Fe co-doped TiO 2 prepared had the anatase structure. The absorption edge of the photocatalyst shifted to longer wavelength and photocatalytic activity for degradation of Methylene blue (MB) under Xe-lamp (350 W) was much more active than un-doped TiO 2 , N-TiO 2 Fe-TiO 2 and P-25.