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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/70067

    Título
    Photocatalytic, electrical, and magnetic properties of carbon dots/hexaferrite's composites
    Autor
    Khan, Kamran
    Jabbour, Karam
    Batool, Zahida
    Nisa, Maher Un
    Fawy, Khaled Fahmi
    Ashiq, Muhammad Naeem
    Hernández Gómez, PabloAutoridad UVA
    Año del Documento
    2023
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    Ceramics International, 2023, vol. 49, p. 38855–38865
    Resumen
    The Y-type hexaferrite and its nanocomposite with carbon dots have been made by using a hydrothermal approach, whereas BaSrZn2-xMnxFe12-2ySiyNiyO22 (x = 0.0, 0.25, 0.5, 0.75, and 1.0) was made using a conventional microemulsion process. A variety of approaches are used to explore the structural features, Surface area, and morphology of the materials. As indicated by on-site substitutions and super-exchange interaction, saturation magnetization (Ms) and magnetic remanence (Mr) rise from 18 to 6 to 47.4 emu g- 1 and 6.7–18.3 emu g- 1, respectively with x,y = 0.75, although coercivity (Hc) declines from 1.4 to 0.39 kOe. The ferrite material’s electrical resistivity enhanced from 25.85 × 106 to 49.13 × 106 Ω-cm. The increased saturation magnetization (Ms), magnetic remanence (Mr), and electrical resistance of ferrite material make it suitable for both high-density recording and microwave devices. The photocatalyst (composite) for the degradation of Rhodamine B in the presence of visible light was made from SrBaZn1.25Mn0.75Fe10.5Si0.75Ni0.75O22/CDs with different ratios. Photocatalysts with a modest CDs concentration (2.5 wt%) successfully degraded Rhodamine B (RhB) up to 94%. After eight rounds, the composite showed excellent structural stability and good reusability. The trapping experiments confirmed that OH radical species are the major contributor in the degradation process. The composite material could be used to catch visible light and purify the environment from various pollutants in the future.
    Palabras Clave
    Hexaferrites
    Photocatalysis
    Magnetic properties
    Carbon dots
    Composite
    ISSN
    0272-8842
    Revisión por pares
    SI
    DOI
    10.1016/j.ceramint.2023.09.222
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S0272884223028493
    Propietario de los Derechos
    © 2023 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
    Idioma
    spa
    URI
    https://uvadoc.uva.es/handle/10324/70067
    Tipo de versión
    info:eu-repo/semantics/acceptedVersion
    Derechos
    embargoedAccess
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    Descripción:
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    Universidad de Valladolid

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