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Feb 6, 2023Keywords:
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Photocatalytic degradation of direct red 16 dye using Ag/Ag3VO4/AgVO3/GO nanocomposite
Parvin Gharbani
Abstract
In this research, synthesized AgNPs/Ag3VO4/AgVO3/GO was applied as a visible-light sensitive photocatalyst for photocatalytic degradation of DirectRed 16 dye (DR16) fromaqueous solutions. The synthesized nanocomposite was analyzed by XRD, FESEM, TEM, EDX and Dot mapping. The effect of DR16 dye concentration, AgNPs/Ag3VO4/AgVO3/GO dosage, time and pH on photocatalytic removal of DR16 were studied.Results revealed that pH, dosage and DR16 concentration aremore important parameters than time on photocatalytic removal of the dye. The results indicate that 58.98% of DR16 removal was obtained under the following optimized conditions: DR16 concentration = 32mg L–1; Ag NPs/Ag3VO4/AgVO3/GO dosage = 0.2 g 50mL–1; pH = 4.5; 300W visible light for 155 min. So, it was concluded that the new nanocomposite can be used as an efficient visible-light photocatalyst for degradation of Direct Red 16 dye.
