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.]
Уровень набора: Inorganic and Nano-Metal ChemistryЯзык: английский.Страна: .Резюме или реферат: 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..Примечания о наличии в документе библиографии/указателя: [References: 36 tit.].Аудитория: .Тематика: 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 Ресурсы он-лайн:Щелкните здесь для доступа в онлайнTitle screen
[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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