Abstract
Fe3O4/ZnO/ZnS nanoparticles with different molar ratios were prepared by an easy and economical method. The obtained nanocomposite was characterized by x-ray diffraction, field emission scanning electron microscope, transmission electron microscope, energy dispersive spectrometer, x-ray photoelectron spectroscopy and an UV–vis spectrophotometer. The results reveal the heterogeneous structure of prepared nanoparticles with enhanced absorption in the visible region compared to ZnO and Fe3O4/ZnO. The data of photodegrading methyl orange (MO) and methylene blue (MB) confirm the enhanced photoperformance. The 10%-Fe3O4/ZnO/ZnS nanoparticles, the optimal catalyst, degraded 79.5% MO and 75.3% MB under 4 h solar irradiation. The combination of Fe3O4/ZnO/ZnS nanocomposite is believed to become a preferred material for water treatment.
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