Abstract
A multicomponent catalyst C-TiO2NBs/g-C3N4/Fe3O4 was successfully prepared by a mild-step hydrothermal method at room temperature and atmospheric pressure. The characterization showed that g-C3N4, Fe3O4, and C uniformly dispersed on the surface of TiO2, and that the C-TiO2NBs/g-C3N4/Fe3O4 composite can maintain good crystallinity. Under visible light, the photocatalytic removal efficiency of methyl orange over the C-TiO2NBs/g-C3N4/Fe3O4 composite is up to 81.44%, which is 1.8 and 1.2 times higher, respectively, than those of C-TiO2NBs/Fe3O4 and C-TiO2NBs/g-C3N4 composites. The enhancement of photocatalytic performance can be attributed to the synergistic effect of the following factors: (1) after the successful doping of C into TiO2NBs, the electron transfer rate is effectively increased; (2) the heterojunction formed by the coupling of C-TiO2NBS and g-C3N4 strengthens the absorption range of the composite to visible light; and (3) the synergistic effect of C-TiO2NBS, g-C3N4, and Fe3O4 leads to excellent photocatalytic activity and reusability.
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Acknowledgements
The authors are grateful for financial aid from the National Natural Science Foundation of China (22165025 and 21968032), and the Key Research and Development Project of Gansu Province (21YF5GA061), and the Natural Science Foundation of Gansu Province for Youths (21JR7RA735), and the Fundamental Research Funds for the Central Universities (31920220031, 31920220032).
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Zhang, P., Wang, Z., Zhao, L. et al. Facile Fabrication of Magnetic C-TiO2NBS/g-C3N4/Fe3O4 Composites and the Photocatalytic Performance Under Simulated Sunlight Irradiation. JOM 75, 4507–4514 (2023). https://doi.org/10.1007/s11837-023-05734-5
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DOI: https://doi.org/10.1007/s11837-023-05734-5