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- W4286264212 endingPage "133756" @default.
- W4286264212 startingPage "133756" @default.
- W4286264212 abstract "• Ag@AgCl-GO prepared in mustard pod extract for photocatalytic degradation of dyes • Phytochemicals of MPE cause conjugation of GO with plasmonic Ag@AgCl • Coupling of GO with Ag@AgCl increased separation of e − -h + pairs and photoactivity • Major active species for the photocatalytic degradation identified as the h + and • O 2 − In this paper, we report a facile, inexpensive, and ecofriendly synthesis of Ag@AgCl immobilized graphene oxide (GO) nanocomposite using mustard pod extract (MPE). The organic functional groups present in the phytochemicals of MPE play an important role in the formation of Ag@AgCl NPs and the conjugation of GO with Ag@AgCl NPs. In order to investigate size, morphology, composition, and stability, the detailed characterization was carried out using SEM, FE-SEM, EDX, HR-TEM, STEM, BET, elemental mapping X-ray diffraction, FTIR, UV-visible spectroscopy, and zeta potential studies. HR-TEM pictures show highly exfoliated GO layers with fine Ag@AgCl nanostructures evenly implanted, demonstrating that an Ag@AgCl-GO NCs has grown. The involvement of mustard pod extract throughout the fabrication of the Ag@AgCl-GO NCs photocatalyst was suggested by FTIR and Raman observations. Furthermore, XPS analyses revealed the existence of Ag 0 in addition to the Ag + of AgCl, as well as the immobilization of AgCl onto graphene oxide. The as synthesized Ag@AgCl-GO NCs demonstrated impressive photo catalytic efficacy for the degradation of highly carcinogenic 2-nitro phenol (2-NP), malachite green (MG) and congo red (CR) under visible light radiation. The experimentally obtained kinetic data revealed that the photocatalytic degradation reactions follow pseudo-first order kinetics in the presence of manufactured Ag@AgCl NPs and Ag@AgCl-GO NCs. The results of Raman, FTIR, and XPS analyses showed that graphene oxide nanosheets were effectively coupled with plasmonic Ag@AgCl NPs, resulting in increased physical separation of photo-induced electron-hole sets and thus markedly increased the photocatalytic performance of GO conjugated Ag@AgCl NPs over pure Ag@AgCl NPs. The most active radical species responsible for the photocatalytic degradation of 2-NP, MG, and CR are identified as h + and • O 2 − ." @default.
- W4286264212 created "2022-07-21" @default.
- W4286264212 creator A5062182953 @default.
- W4286264212 creator A5085539330 @default.
- W4286264212 date "2022-12-01" @default.
- W4286264212 modified "2023-10-09" @default.
- W4286264212 title "Sonication-assisted synthesis of Ag@AgCl and Ag@AgCl-GO and their photocatalytic performances" @default.
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- W4286264212 doi "https://doi.org/10.1016/j.molstruc.2022.133756" @default.
- W4286264212 hasPublicationYear "2022" @default.
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