Abstract
Hydrothermal synthesis was used to produce pure BiVO4 and Cobalt-doped BiVO4 nanocomposites of different compositions with the goal of develo** a low-priced, special-class, cobalt-doped, stained Nanocomposites. X-ray diffraction analysis shows that the mean crystallite size of BiVO4 was 6.7 nm, whereas the mean crystallite size of Cobalt-doped BiVO4 nanocomposites ranges from 12.6 to 26.3 nm. Scanning electron microscopy revealed a few aggregated nanocomposite rods, energy-dispersive spectroscopy confirmed the completeness of the included doped nanocomposites by revealing the absence of any component other than bismuth, vanadium, cobalt, and oxygen, transmission electron microscopy revealed that the nanorod formed in a cubic shape, demonstrating the severe consequences of the dopant in the adsorbent; and According to BET study, the average particle size of BiVO4 and Co-loaded BiVO4 Nanocomposites was 8.76 nm and 7.64 nm, respectively. The figure shows that when the concentration of p-nitrophenol to be eliminated increases from 50 to 150 mg/L, the elimination rate decreases from 99.90 to 94.58%. Utilizing UV irradiation and photocatalytically active BiVO4 and BiVO4/Co nanocomposites, para-nitrophenol was effectively photocatalyzed, as shown by BET analysis. The photocatalytic activity of BiVO4 and Cobalt BiVO4 was tested using UV light, and after 75 min, 80% and 99.9% of para nitrophenols were destroyed. Significant crises required 75 min (99.99% longer) to resolve when cobalt-doped BiVO4 was present compared to when it was utilized alone.
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Karthi, N., Rameshkumar, K.A. & Maadeswaran, P. Photocatalytic performance of pristine and cobalt loaded BiVO4 nanocomposites for effective degradation of p-nitrophenol organic pollutants. Nanotechnol. Environ. Eng. 9, 17–28 (2024). https://doi.org/10.1007/s41204-023-00337-6
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DOI: https://doi.org/10.1007/s41204-023-00337-6