Synthesis and characterization of zinc oxide nanopowder / M. V. Zhuravlev, R. V. Sazonov, G. E. Kholodnaya [et al.]

Set Level: Inorganic and Nano-Metal ChemistryCoauthor: Zhuravlev, M. V., physicist, Researcher of Tomsk Polytechnic University, Candidate of Technical Sciences, 1986-, Mikhail Valerievich;Sazonov, R. V., physicist, senior researcher of Tomsk Polytechnic University, candidate of physico-mathematical Sciences, 1984-, Roman Vladimirovich;Kholodnaya, G. E., electrophysicist, Associate Scientist of Tomsk Polytechnic University, candidate of technical Sciences, 1986-, Galina Evgenievna;Pyatkov, I., Physicist, Research Engineer of Tomsk Polytechnic University, 1993-, Igor;Ponomarev, D. V., physicist, Senior researcher of Tomsk Polytechnic University, Candidate of technical sciences, 1981-, Denis Vladimirovich;Konusov, F. V., physicist, Lead Engineer of Tomsk Polytechnic University, Candidate of physical and mathematical sciences, 1958-, Fedor Valerievich;Lapteva, O. P., linguist, Interpreter of Tomsk Polytechnic University, 1979-, Olga Pavlovna;Gadirov, R. M., Ruslan MukhamedzhanovichLanguage: английский.Country: Великобритания.Abstract: Several batches of zinc oxide (ZnO) nanopowders were obtained using the electrospark method. The samples differed in starting reagents. The electrospark method for producing ZnO nanoparticles is based on using the energy of an electric spark discharge generated between the electrode and the target. The morphology and phase composition of the synthesized samples were studied. The average particle size ranged from 10 to 25?nm. Particle morphology was diverse and represented mainly by flake nanoparticles. We recorded peaks characteristic of zinc and intensive peaks characteristic of ZnO on the X-ray pattern. The calculated sizes corresponded to coherent scattering for the crystalline phases of ZnO. The band gap was calculated for the synthesis of ZnO nanopowders. A slight narrowing of the band gap indicated the predominant crystalline phase in ZnO nanoparticles and an insignificant effect of the surface states of growth defects..Bibliography: [References: 56 tit.].Audience: .Subject: электронный ресурс | труды учёных ТПУ | electrospark method | zinc oxide | flake nanoparticles | электроискровые методы | оксид цинка | наночастицы Online Resources:https://doi.org/10.1080/24701556.2020.1809460
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[References: 56 tit.]

Several batches of zinc oxide (ZnO) nanopowders were obtained using the electrospark method. The samples differed in starting reagents. The electrospark method for producing ZnO nanoparticles is based on using the energy of an electric spark discharge generated between the electrode and the target. The morphology and phase composition of the synthesized samples were studied. The average particle size ranged from 10 to 25?nm. Particle morphology was diverse and represented mainly by flake nanoparticles. We recorded peaks characteristic of zinc and intensive peaks characteristic of ZnO on the X-ray pattern. The calculated sizes corresponded to coherent scattering for the crystalline phases of ZnO. The band gap was calculated for the synthesis of ZnO nanopowders. A slight narrowing of the band gap indicated the predominant crystalline phase in ZnO nanoparticles and an insignificant effect of the surface states of growth defects.

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