Abstract
Experimental and theoretical studies on the phenolic degradation of graphene (CTAB)/TiO2/Fe3O4 have been conducted. The addition of surfactant cetyltrimethylammonium bromide surfactant (CTAB) on graphene can improve the performance and dispersion of TiO2 on the graphene surface and prevent electron recombination. Magnetic materials such as Fe3O4 will help the composite separation process, but will also have an effect on its photodegradation performance. The effect of Fe3O4 composition on composites was characterized using Scanning Electron Microscope, X-Ray Diffraction, FT-IR Spectra, Brunaeuer Emmett Teller-BJH, UV-Vis DRS, and UV-vis Spectrophotometer analysis. Furthermore, the photodegradation of phenol was carried out under visible light irradiation to investigate the photocatalytic activity. TiO2 nanoparticles doped with graphene (CTAB) have a large enough synergistic effect, besides that graphene nanocatalyst (CTAB)/TiO2/Fe3O4 is more efficient because it is easy to separate
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