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dc.contributor.authorDuangdao Channeien_US
dc.contributor.authorNatthamon Rodsawaengen_US
dc.contributor.authorPanatda Jannoeyen_US
dc.contributor.authorWilawan Khanitchaidechaen_US
dc.contributor.authorAuppatham Nakaruken_US
dc.contributor.authorSukon Phanichphanten_US
dc.description.abstractBismuth vanadate/coconut fiber (BiVO4/CF) composites were synthesized by coprecipitation and calcination methods. All catalysts used in this work were prepared by a simple coprecipitation method and fully characterized by means of XRD, SEM-EDS, PL, BET N2 adsorption, zeta potential, and UV-vis DRS. Degradation of indigo carmine (IC) under visible light irradiation was tracked by the UV-vis technique. It was documented that XRD patterns of BiVO4 and BiVO4/CF samples retained the monoclinic structure. From SEM, the CF sheets were visualized, covering the surface of BiVO4 particles. The specific surface area of the synthesized catalysts increased from 1.77 to 24.82 m2/g. The shift of absorption edge to a longer wavelength corresponded to a decrease in band gap energy from 2.3 to 2.2 eV. The photocatalytic degradation rate of the BiVO4/CF composite was five times higher than that of pristine BiVO4. Moreover, the photocatalyst can be separated and recycled with little change after the third times recycling. The improved activity of the composite resulted from the combination of the adsorption performance of the substrate CF and the photocatalytic activity of BiVO4. In addition, the position of the specific mechanism could occur via both the active species of superoxide radical and hydroxyl radical.en_US
dc.subjectChemical Engineeringen_US
dc.titleCoconut Fiber Decorated with Bismuth Vanadate for Enhanced Photocatalytic Activityen_US
article.title.sourcetitleACS Omegaen_US
article.volume7en_US Universityen_US Mai Universityen_US
Appears in Collections:CMUL: Journal Articles

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