Synthesis, Characterization and Photocatalytic Activity of CoMoO4/g-C3N4/rGO under Visible Light
Main Article Content
Abstract
In the present paper, the CoMoO4/g-C3N4/rGO photocatalytic composite material was synthesized using the combined calcination and hydrothermal method. The composite material was characterized using X-ray diffraction, Scanning electron microscopy, Energy-dispersive X-ray spectroscopy, and UV−Vis diffuse reflectance spectroscopy. The results showed that the CoMoO4/g-C3N4 composite material had an absorption spectrum shifted to the visible light region compared to each component CoMoO4 and g-C3N4. The catalytic activity of the material was studied through the treatment efficiency of Levofloxacin antibiotic under visible light conditions. The degradation efficiency of Levofloxacin reached 78.58% after 120 minutes of illumination under pH=7, Levofloxacin concentration of 10 ppm and using 0,05 g of material.
Keywords:
CoMoO4/g-C3N4, composite materials, photocatalyst, Levofloxacin.
References
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https://doi.org/10.1016/S1872-2067(15)60844-0.
[8] Y. Hou, Z. Wen, S. Cui, X. Gou, J. Chen, Constructing 2D Porous Graphitic C3N4 Nanosheet/Nitrogen-Doped Graphene/Layered MoS2 Ternary Nanojunction with Enhanced Photoelectrochemical Activity, Advanced Materials., Vol. 25, No. 43, pp. 6291-6297, https://doi.org/10.1002/adma.201303116.
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[13] H. Huang, Y. He, X. Du, P.K. Chu, Y. Zhang, A General and Facile Approach to Heterostructured Core/Shell BiVO4/BiOI p–n Junction: Room-Temperature in Situ Assembly and Highly Boosted Visible-Light Photocatalysis, ACS Sustainable Chem Eng, Vol. 3, No. 12, 2015, pp. 3262-3273, https://doi.org/10.1016/j.chemosphere.2018.09.137.
[14] K. S. Varma, A. D. Shukla, R. J. Tayade, P. A. Joshi, A. K. Das, K. B. Modi, V. G. Gandhi, Photocatalytic Performance and Interaction Mechanism of Reverse Micelle Synthesized Cu TiO2 Nanomaterials Towards Levofoxacin Under Visible LED Light, Photochemical & Photobiological Sciences., Vol. 3, No. 1, 2022,
pp. 77-89, https://doi.org/10.1007/s43630-021-00141-8.
[15] Y. Xing , F. Tian, D. Wu, X. Yong, Facile Synthesis of Z-scheme ZnMoO4/Bi2O4 Heterojunction Photocatalyst for Effective Removal of Levofloxacin Inorganic Chemistry Communications., Vol. 143, 2022, pp. 109763, https://doi.org/10.1016/j.inoche.2022.109763.
[16] N. G. Nair, V. G. Gandhi, K. Modi, A. Shukla, Photocatalytic Degradation of Levofloxacin by GO-TiO2 Under Visible Light, Materials Today: Proceedings., 2024, https://doi.org/10.1016/j.matpr.2023.12.049.