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    Effect of cerium doping on the optical and photocatalytic properties of ZnO nanoflowers

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    Date
    2019
    Author
    Parangusan H.
    Ponnamma D.
    Al-Maadeed M.A.A.
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    Abstract
    Photocatalytic performances of the synthesized cerium doped (Ce-doped) ZnO nanoflowers are reported in this work. A microwave-assisted sol–gel method is adopted for the synthesis of the nanomaterial and its structural and morphological features are characterized. While doping, the Ce3+ ions occupy the sites of Zn2+ ions in the hexagonal ZnO lattice, which is investigated by means of X-ray diffraction studies and energy dispersive X-ray analysis. At higher Ce3+ concentrations, ultraviolet (UV) light absorption is quite high as evidenced by the UV–Vis absorption spectra. The photoluminescence study demonstrates higher oxygen vacancy and zinc interstitials for the Ce-doped ZnO compared to the undoped ZnO. Ce-doping improves the electrical properties of the sample as well. Finally, it is established that the Ce-doped ZnO nanoflower is highly efficient in UV degrading the methylene blue organic dye.
    DOI/handle
    http://dx.doi.org/10.1007/s12034-019-1865-6
    http://hdl.handle.net/10576/14528
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    • Center for Advanced Materials Research [‎1505‎ items ]
    • Materials Science & Technology [‎316‎ items ]

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