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The present work is focused on the synthesis of beryllium doped titania (Be +2 –TiO 2 ) at different percentages (0.25, 0.5, 0.75 and 1.0 wt.%) by the sol-gel method and its characterization using X-ray diffraction, X-ray photoelectron spectroscopy, Fourier transform-Infra red and Ultra violet-visible absorption spectroscopic methods. Diffraction peaks of anatase crystalline phase were present in both synthesized TiO 2  and Be +2 –TiO 2 . The presence of Be +2  ion in the TiO 2  structure caused a significant absorption shift towards the visible region and its presence was confirmed by X-ray photoelectron spectroscopy and Fourier Transform-Infra Red data. The photocatalytic efficiency of the synthesized Be +2 –TiO 2  and pure TiO 2  was evaluated by the degradation of aqueous methyl orange dye under visible light irradiation, where the degradation rate of methyl orange by Be +2 –TiO 2  was found to be higher than by pure TiO 2 . This can be attributed to more efficient electron–hole creation in Be +2 –TiO 2  in visible light and the electrons produced due to photosensitization of the dye can be scavenged by photoexcited doped TiO 2  in visible light.

Enhanced photocatalytic activity of beryllium doped titania in visible light on the degradation of methyl orange dye