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- W1998367294 abstract "Herein we demonstrate a facile and general process for fabricating P25/silver orthophosphate/graphene oxide (P25/Ag3PO4/GO) ternary composite materials using electrostatically-driven assembly and ion-exchange method. The composite materials reveal a well-defined heterostructure where few-layer GO sheets are decorated with microsized Ag3PO4 particles and TiO2 nanoparticles. The photodegradation of dye molecule and inactivation of bacteria can be tuned by varying the added amount of GO and the molar ratio of Ag3PO4/P25. The photocatalytic activity for degrading organic dye molecule and bactericidal performance could be improved by synergistic effects derived from the P25/Ag3PO4/GO heterostructure. A detailed analysis of the reactions mechanism by radical-capture agents suggests photo-induced active holes and reactive oxygen species (ROS) are responsible for the enhanced photocatalytic degradation activity owing to effective visible light harvesting, improved separation efficiency and fast interfacial charge transfer. Intrinsic antibacterial activity of dissolved Ag+ ions is also considered to play an important role in determining the excellent bactericidal performance of the P25/Ag3PO4/GO ternary composite. We believe that this work provides new insights into the low-cost, large-scale production of multifunctional composite materials for the applications in solar photocatalytic degradation of harmful volatile organic compounds (VOCs) and common pathogenic bacteria in wastewater." @default.
- W1998367294 created "2016-06-24" @default.
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- W1998367294 date "2015-05-01" @default.
- W1998367294 modified "2023-10-16" @default.
- W1998367294 title "Fabrication of P25/Ag3PO4/graphene oxide heterostructures for enhanced solar photocatalytic degradation of organic pollutants and bacteria" @default.
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- W1998367294 doi "https://doi.org/10.1016/j.apcatb.2014.11.028" @default.
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