Ultrasonic synthesis of CoSe2-Graphene-TiO2 ternary composites for high photocatalytic degradation performance

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Abstract

In this study, we examined the photo-degradation efficiency of CoSe2-Graphene-TiO2 (CoSe2-G-TiO2) nanocomposites under visible light irradiation using rhodamine B (RhB) as standard dye. CoSe2-G-TiO2 nanocomposites were synthesized by ultrasonication and characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Raman spectroscopic analysis and UV-Vis absorbance spectra analysis. Our results show that the CoSe2-G-TiO2 nanocomposite exhibited significant photo degradation efficiency compared to pure TiO2 and CoSe2-G, approximately 85.2% of the rhodamine (Rh B) degraded after 2.5 h. It is concluded that the CoSe2-G-TiO2 nanocomposite is a promising candidate for use in dye pollutants.

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Ali, A., & Oh, W. C. (2017). Ultrasonic synthesis of CoSe2-Graphene-TiO2 ternary composites for high photocatalytic degradation performance. Journal of the Korean Ceramic Society, 54(3), 205–210. https://doi.org/10.4191/kcers.2017.54.3.02

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