Abstract
In this paper, a new type of magnetic photocatalyst graphene/Fe3O4/NiO (GNs/Fe3O4/NiO) nanocomposites have been first synthesized by a facile route. The as-prepared products have been characterized by scanning electron microscopy, Transmission electron microscope, Fourier transform infrared spectroscopy, X-ray diffraction, thermal gravimetric analysis, vibrating sample magnetometry, energy dispersive X-ray spectroscopy. The experimental results showed that magnetic GNs/Fe3O4/NiO nanocomposites exhibited significantly enhanced magnetic and adsorption performance, and the saturation magnetization of three kinds nanocomposites GNs/Fe3O4/NiO (S1), GNs/Fe3O4/NiO (S2) and GNs/Fe3O4/NiO (S3) were about 63.07, 43.33 and 22.42 emu g−1, respectively. It was found that the composite materials has perfect photocatalytic performance for degrade p-nitrophenol and rhodamine B by analyzing its photocatalytic degradation performance. Moreover, the nanocomposites can be adsorbed and recycled by extra magnetic field after photocatalytic degradation of p-nitrophenol and rhodamine B in wastewater. Therefore, this kinds of magnetic nanocomposites may have great potential applications in photocatalytic field in the future.
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