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Heterojunction of N/B/Rgo and G-C3n4 Anchored Magnetic Znfe2o4@Zno for Promoting Uv/Vis-Induced Photo-Catalysis and in Vitro Toxicity Studies Publisher Pubmed



Rostami M1, 2 ; Nayebossadr S3 ; Mozaffari S3 ; Sobhaninasab A4, 5 ; Rahiminasrabadi M6, 7 ; Fasihiramandi M6 ; Ganjali MR8, 9 ; Bardajee GR3 ; Badiei A2
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Source: Environmental Science and Pollution Research Published:2021


Abstract

To promote the low photocatalytic efficiency caused by the recombination of electron/hole pairs and widen the photo-response wavelength window, ZnFe2O4@ZnO-N/B/RGO and ZnFe2O4@ZnO-C3N4 ternary heterojunction nanophotocatalysts were designed and successfully prepared through a sol–gel technique. In comparison to bare ZnFe2O4 and ZnO, the ZnFe2O4-ZnO@N/B/RGO and ZnFe2O4@ZnO-C3N4 ternary products showed highly improved photocatalytic properties in the degradation of methyl orange (MO) under ultra-violet (UV) and visible light irradiation. Various physicochemical properties of the photocatalysts were evaluated through field emission scanning electron microscopy (FESEM), energy-dispersive X-ray (EDX) analysis, X-ray diffraction (XRD), UV–visible diffuse reflectance spectroscopy (DRS), Fourier transform infrared spectroscopy (FT-IR), and vibrating sample magnetometer (VSM) techniques. The observations indicated that the ternary heterojuncted ZnFe2O4@ZnO-N/B/RGO absorbs lower energy visible light wavelengths, which is an enhancement in the photocatalytic properties of ZnFe2O4@ZnO loaded on reduced graphene oxide (RGO) nanosheets and graphite-like carbon nitride (g-C3N4). This gives the catalyst photo-Fenton degradation properties. © 2020, Springer-Verlag GmbH Germany, part of Springer Nature.
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