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- W4380366904 abstract "Co3(PO4)2/Ag3PO4 (CoPi/AgP) were immobilized onto SiC nanowires through co-precipitation. Compared with Ag3PO4, the photoactivity and photostability of CoPi/AgP/SiC were significantly enhanced, while the cost was reduced because of the low demand for expensive Ag3PO4. Under visible light, Ag3PO4/SiC loaded with 0.5%Co3(PO4)2 achieved an apparent methyl orange (MO) degradation rate constant of 1.77 times higher than Ag3PO4 and 7.49 times higher than Ag3PO4/SiC. Moreover, after five reuses, Ag3PO4/SiC loaded with 0.5%Co3(PO4)2 maintained its photocatalytic activity at 87%, whereas pure Ag3PO4 retained only 32.5%. The synergistic action of the Z-scheme Ag3PO4/SiC heterojunction and Co3(PO4)2 cocatalyst led to enhanced photoactivity and stability. The weak internal electric field induced in Co3(PO4)2/Ag3PO4 significantly increased the intensity of the main internal electric field in Ag3PO4/SiC, resulting in a rapid interfacial transfer, prolonged lifetime, and strong redox ability of the photoinduced charge carriers. This mechanism demonstrates a positive effect on charge separation, oxidative reaction kinetics, and the formation of·OH of the Co3(PO4)2 hole cocatalyst. Density functional theory (DFT) calculations and active species trapping experiments confirmed the Z-scheme electron transfer pathway. Consequently, this study provides a low-cost method to construct a novel immobilized photocatalyst with high activity and stability for the efficient degradation of organic pollutants under visible light." @default.
- W4380366904 created "2023-06-13" @default.
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- W4380366904 date "2023-10-01" @default.
- W4380366904 modified "2023-09-23" @default.
- W4380366904 title "Enhanced photocatalytic performance of Co3(PO4)2/Ag3PO4 immobilized on SiC: The synergistic effects and mechanism" @default.
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- W4380366904 doi "https://doi.org/10.1016/j.jallcom.2023.170942" @default.
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