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Owing to photocatalytic and antibacterial properties, bismuth based oxides has drawn much attention in recent past. However, non-recyclability of these oxides has restricted their practical applications. In present work, a novel nanostructured composite monoclinic bismuth vanadate@ activated carbon fibers (BiVO4@ACF) photocatalyst was efficaciously synthesized using a solvothermal method and characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and Bruner-Emmett-Teller (BET). The specific surface area, phase composition, microstructure, binding and photocatalytic activity of BiVO4@ACF pose great dependence on solvent nature and chelating agents utilized for synthesis. The photocatalytic and antibacterial potential of this composite was evaluated and optimized by using a model pollutant, Reactive Rhodamine Blue (RhB) and pathogenic microbes (Escherichia coli and Staphylococcus aureus). The composite possesses enhanced photocatalytic and antibacterial activity and was reutilized for three rounds of respective reaction without any loss of activity and structure as evident from SEM and XRD results. The photocatalytic mechanism of photodegradation of dye and bactericidal properties of samples under visible light irradiation was determined by scavenger and photoluminescence (PL) spectroscopy. The enhanced photocatalytic and antibacterial activity, chemical stability and most importantly good recyclability of BiVO4@ACFs highlight the potential application of this composite in water purification and other biological applications.
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?:doi
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10.1016/j.jphotobiol.2020.112070
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Journal_of_photochemistry_and_photobiology._B,_Biology
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Direct growth of m-BiVO4@carbon fibers for highly efficient and recyclable photocatalytic and antibacterial applications.
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