Synthesis of Copper(II) Oxide Nanoparticles by Anion-Exchange Resin-Assisted Precipitation and Production of Their Stable Hydrosols : научное издание

Pavlikov A.Yu.; Saikova S.V.; Samoilo A.S.; Karpov D.V.; Novikova S.A.

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База данных: Каталог библиотеки СФУ

Библиографическое описание: Synthesis of Copper(II) Oxide Nanoparticles by Anion-Exchange Resin-Assisted Precipitation and Production of Their Stable Hydrosols : научное издание / A. Yu. Pavlikov [et al.]. - Текст : непосредственный // Russian Journal of Inorganic Chemistry. - 2024. - Т. 69, № 2. - P. 265-276. - ISSN 0036-0236. - ISSN 1531-8613, DOI 10.1134/s0036023623603057.

Аннотация: Copper(II) oxide nanoparticles are promising materials for use in catalysis, biomedicine, and photovoltaics. They can also be used to prepare nanocomposites and hybrid nanoparticles. This paper presents a new one-pot method for preparing CuO nanoparticles without long-term washing and heat treatment. The proposed anion-exchange precipitation is a facile and fast process, and is easily reproducible under standard laboratory conditions. Anion-exchange precipitation of copper from copper chloride or copper sulfate solutions in the presence of the polysaccharide dextran-40 produces well-crystallized hydroxychloride Cu2Cl(OH)3 and hydroxysulfate Cu4(SO4)(OH)6, respectively; from copper nitrate solutions, a poorly crystallized Cu(OH)2 phase is formed. In the absence of polysaccharides, the product is copper oxide nanoparticles regardless of the anion in the precursor salt. The thus-prepared materials were used to prepare hydrosols. The hydrosols had high aggregation and sedimentation stability over a wide pH range (from 5 to 11) as shown by dynamic and electrophoretic light scattering. They were stable for more than three months at a concentration of 2 g/L (the average hydrodynamic diameter of the particles was 245 nm; the average ζ-potential was –31.1 mV). The optical and electronic properties of the prepared hydrosols imply that they could be of interest for use in photocatalysis and in optoelectronic devices.

Год издания: 2024

Авторы: Pavlikov A.Yu. , Saikova S.V. , Samoilo A.S. , Karpov D.V. , Novikova S.A.

Издательство: Pleiades Publishing, Ltd., Moscow

Источник: Russian Journal of Inorganic Chemistry

Выпуск: Т. 69, № 2

Номера страниц: 265-276

Держатель оригинала документа: Institute of Chemistry and Chemical Engineering, Krasnoyarsk Scientific Center (Federal Research Center), Siberian Branch, Russian Academy of Sciences, Siberian Federal University

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Synthesis of Copper(II) Oxide Nanoparticles by Anion-Exchange Resin-Assisted Precipitation and Production of Their Stable Hydrosols : научное издание
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