Abstract
In this paper, a multi-metal graphene magnetic composite with Ag, Cu and Fe3O4 (Ag–Cu/Fe3O4/rGO) was successfully synthesized by a simple chemical reduction. The composites were characterized by a set of physical characterizations, such as Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscopy, transmission electron microscopy and UV–Vis spectrum. The photocatalytic performance was studied by utilizing the Ag–Cu/Fe3O4/rGO in degradation of malachite green (MG). The experimental results showed that the Ag–Cu/Fe3O4/rGO had significantly photocatalytic activity in terms of degradation of MG. Multi-metal doping in the Ag–Cu/Fe3O4/rGO composite can obviously improve the absorption in the visible light region. More importantly, the Ag–Cu/Fe3O4/rGO could be easily recovered from solution with a magnet. The multi-metal magnetic Ag–Cu/Fe3O4/rGO composite might be a suitable material in many fields, especially in wastewater treatment.
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Acknowledgements
This work was partially supported by Key Projects of Science and Technology Research in Hebei Higher Education Institutions (ZD2018311), Hebei Province Science and Technology Program (16211239), Hebei Provincial Department of Education Youth Top-Notch Talent Program (BJ2017109), Xingtai Young Science and Technology Talents Project (2017ZZ029), Xingtai Science and Technology Program (2016ZC190, 2016ZC012).
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Zhao, Z., Cai, Z., Yang, L. et al. Ternary magnetic Ag–Cu/Fe3O4/rGO composite as an efficient photocatalyst for degradation of malachite green. J Mater Sci: Mater Electron 29, 17743–17749 (2018). https://doi.org/10.1007/s10854-018-9881-7
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DOI: https://doi.org/10.1007/s10854-018-9881-7