Preparation of g-C3N4/Cu5FeS4/RGO Nanocomposite Photocatalyst and Study on Its Photocatalytic Performance
A series of g-C3N4/Cu5FeS4/RGO nanocomposite photocatalysts were synthesized by a simple method.The nanocomposite photocatalyst was characterized by XRD,TEM,UV-Vis and other methods.The photocatalytic performance of the prepared g-C3N4/Cu5FeS4/RGO nanocomposite photo-catalyst was studied by degrading the methyl orange solution under visible light(λ＞420 nm)irradiation.Through rigorous analysis and comparison,it was finally found that g-C3N4/0.75％Cu5FeS4/0.50％RGO had the best photocatalytic degradation activity.After 60 minutes of visible light irradiation,91％of the methyl orange solution was degraded.The results show that RGO as a cocatalyst can accelerate the transport and transfer of electrons,thereby effectively inhibiting the recombination of electron-hole pairs,resulting in g-C3N4/0.75％Cu5FeS4/0.50％RGO nanocomposite photocatalyst with relatively high pho-tocatalytic efficiency and more stable photocatalytic activity.
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