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Author: search.filters.author.Charoonsuk, PiyanutSubject: search.filters.subject.Copper oxide

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    Item type:Publication,
    Sonochemical synthesis and characterization of copper oxide nanoparticles
    (2011-01-01)
    Wongpisutpaisan, Narongdet
    ;
    Charoonsuk, Piyanut
    ;
    Vittayakorn, Naratip
    ;
    Pecharapa, Wisanu
    Copper oxide (CuO) nanoparticles were synthesized by a sonochemical process using copper nitrate and sodium hydroxide in the presence of polyvinyl alcohol (PVA) as a starting precursor. The precipitated product was calcined at various temperature ranging from 400-700°C. The physical microstructure and morphology of as-calcined nanoparticles were characterized by X-ray diffraction (XRD) and scanning electron microscope (SEM). From XRD observation, it is evident that the high purity CuO nanoparticles were obtained by this synthesis process. It was additionally revealed that its crystallization and particle size was strongly dependent on the reaction time and calcination temperature. © 2011 Published by Elsevier Ltd.