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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
Authors
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Authors Affiliations
  1. 1. Halal Research Center of IRI, FDA, Tehran, Iran
  2. 2. School of Chemistry, College of Science, University of Tehran, Tehran, Iran
  3. 3. Department of Chemistry, Payame Noor University, Tehran, Iran
  4. 4. Social Determinants of Health (SDH) Research Center, Kashan University of Medical Sciences, Kashan, Iran
  5. 5. Core Research Lab, Kashan University of Medical Sciences, Kashan, Iran
  6. 6. Molecular Biology Research Center, Systems Biology and Poisoning Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
  7. 7. Faculty of Pharmacy, Baqiyatallah University of Medical Sciences, Tehran, Iran
  8. 8. Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran
  9. 9. Biosensor Research Center, Endocrinology & Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran

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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