Effect of the concentration of the starting reagents and the design of the reaction chamber on the morphology and phase composition of the CuxOy@SiO2 nanocomposite synthesized by the pulsed plasma-chemical method / G. E. Kholodnaya, D. V. Ponomarev, R. V. Sazonov [et al.]

Set Level: Inorganic and Nano-Metal ChemistryCoauthor: Kholodnaya, G. E., electrophysicist, Associate Scientist of Tomsk Polytechnic University, candidate of technical Sciences, 1986-, Galina Evgenievna;Ponomarev, D. V., physicist, Senior researcher of Tomsk Polytechnic University, Candidate of technical sciences, 1981-, Denis Vladimirovich;Sazonov, R. V., physicist, senior researcher of Tomsk Polytechnic University, candidate of physico-mathematical Sciences, 1984-, Roman Vladimirovich;Lapteva, O. P., linguist, Interpreter of Tomsk Polytechnic University, 1979-, Olga Pavlovna;Zhuravlev, M. V., physicist, Researcher of Tomsk Polytechnic University, Candidate of Technical Sciences, 1986-, Mikhail Valerievich;Pyatkov, I., Physicist, Research Engineer of Tomsk Polytechnic University, 1993-, IgorLanguage: английский.Country: Великобритания.Abstract: The CuxOy@SiO2 nanocomposite was prepared using a pulsed plasma-chemical method. The regularities of the influence of the concentration of the starting reagents and the design of the reaction chamber on the morphology, phase composition of the CuxOy@SiO2 nanocomposite were revealed. With varying the concentration of the starting reagents, the agglomeration of particles decreased, the particle morphology (particles acquired a spherical shape) and phase composition (the predominant crystalline phases were CuCl2, CuCl, Si, CuO, Cu) changed. Two types of reaction chambers (quartz/copper) were used for the synthesis of the CuxOy@SiO2 nanocomposite. The change in the design of the reaction chamber had an insignificant effect on the phase composition of the CuxOy@SiO2 composites, but had a strong effect on the morphology and average size of the synthesized particles. The morphology of the composite particles prepared in a copper reactor is represented by particles of a fine fraction of an irregular shape..Bibliography: References: 36 tit..Subject: электронный ресурс | труды учёных ТПУ | electron beam | pulsed plasma-chemical method | electrospark method | copper oxide | silicon oxide | электронные пучки | импульсный плазмохимический синтез | оксид меди | оксид кремния Online Resources:https://doi.org/10.1080/24701556.2021.1987461
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References: 36 tit.

The CuxOy@SiO2 nanocomposite was prepared using a pulsed plasma-chemical method. The regularities of the influence of the concentration of the starting reagents and the design of the reaction chamber on the morphology, phase composition of the CuxOy@SiO2 nanocomposite were revealed. With varying the concentration of the starting reagents, the agglomeration of particles decreased, the particle morphology (particles acquired a spherical shape) and phase composition (the predominant crystalline phases were CuCl2, CuCl, Si, CuO, Cu) changed. Two types of reaction chambers (quartz/copper) were used for the synthesis of the CuxOy@SiO2 nanocomposite. The change in the design of the reaction chamber had an insignificant effect on the phase composition of the CuxOy@SiO2 composites, but had a strong effect on the morphology and average size of the synthesized particles. The morphology of the composite particles prepared in a copper reactor is represented by particles of a fine fraction of an irregular shape.

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