Abstract
After using Ceratophyllum demersum L. leaf extract in their fabrication, the Ag-ZnO/rGO nanocomposites’ photocatalytic activity against Rhodamine B (RhB) dye degradation was examined. Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), UV–Vis diffuse reflectance spectroscopy (DRS), Field emission scanning electron microscopy (FE-SEM), Transmission electron microscopy (TEM), Brunauer–Emmett–Teller (BET), and Photoluminescence (PL) spectroscopy were used to determine the composition, structural phase, optical properties, morphology, and surface texture of the obtained nanomaterials. The findings of the characterization demonstrated that the as-synthesized nanomaterials were effectively produced. The TEM images that Ag and ZnO were distributed efficiently on the rGO nanosheets. According to the photocatalytic degradation data, Ag-ZnO/rGO (10%) had the most significant elimination percentage of RhB dye under optimal circumstances ([RhB] = 5 ppm, pH 9, catalyst dose = 1.2 g/L, and irradiation time = 90 min). The photocatalytic behavior of the highly effective Ag-ZnO/rGO (5%) nanocomposite was increased, with a maximum photocatalytic degradation efficiency of ∼96.3%. RhB dye photocatalytic degradation was investigated using many ROS scavengers. After five cycles, the Ag-ZnO/rGO (5%) nanocomposite was very stable.
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Methodology, investigation, software, formal analysis, writing—original draft, visualization, and formal analysis (Aseel A. kadhem). Writing—review and editing, supervision, project administration, and resources (Hassan A. Alshamsi).
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kadhem, A.A., Alshamsi, H.A. Biosynthesis of Ag-ZnO/rGO nanocomposites mediated Ceratophyllum demersum L. leaf extract for photocatalytic degradation of Rhodamine B under visible light. Biomass Conv. Bioref. (2023). https://doi.org/10.1007/s13399-023-04501-5
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DOI: https://doi.org/10.1007/s13399-023-04501-5