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Title: Green Synthesis of ZnO2 Nanoparticles and Their Annealing Transformation Into ZnO2 Nanoparticles: Characterization and Antimicrobial Activity
Authors: Román, L. E.
Maurtua, D.
Paraguay Delgado, Francisco
Solís, José L.
Gómez, Mónica M.
Keywords: ZnO;ZnO2;Nanoparticles;Antimicrobial Activity
Issue Date: Sep-2016
Publisher: American Scientific Publishers
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Abstract: Nanoparticles of ZnO2 were synthesized through sol–gel technique using zinc acetate and hydrogen peroxide in aqueous solution exposed to UV irradiation and dried at 100 °C. Using electron microscope techniques, X-ray diffraction, Fourier transform infrared spectroscopy and thermogravimetric analysis we have studied in detail the structure and morphology of the obtained powders. With annealing treatment of the as-synthesized nanoparticles it was possible to achieve different crystalline structures from pure ZnO2 to pure ZnO nanoparticles. Three different anoparticles were selected: the as-synthesized nanoparticles obtained at 100 °C constituted by ZnO2, the sample annealed at 160 °C composed by ZnO2–ZnO mixture and the annealed sample at 220 °C constituted by pure ZnO. Pseudomonas aeruginosa was employed to evaluate the antimicrobial activity of three selected nanoparticle samples. The inhibition zone was largest for ZnO2 nanoparticles.
ISSN: 15334880
Rights: info:eu-repo/semantics/restrictedAccess
Appears in Collections:Instituto General de Investigación (IGI)

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