Optimization of Nickel Ferrite Production Conditions for the Preparation of Magnetic Composite Photocatalysts : научное издание

Nemkova D.I.; Saikova S.V.; Krolikov A.E.; Pikurova E.V.; Samoilo A.S.

Дополнительные ссылки: eLibrary

База данных: Каталог библиотеки СФУ

Библиографическое описание: Optimization of Nickel Ferrite Production Conditions for the Preparation of Magnetic Composite Photocatalysts : научное издание / D. I. Nemkova [et al.]. - Текст : непосредственный // Russian Journal of Inorganic Chemistry. - 2024. - Т. 69, № 2. - P. 277-284. - ISSN 0036-0236. - ISSN 1531-8613, DOI 10.1134/s0036023623603069.

Аннотация: Nonferrous metal ferrites are promising magnetic catalysts that can be easily separated from the reaction mixture after use by applying a magnetic field. However, these materials have fast electron–hole relaxation times, which reduces their activity in photoreactions. Hybrid ferrite-based nanostructures, for example, composites with zinc oxides, can help to overcome the problem. The catalytic activity of such a structure depends highly on the method by which it was prepared. In this work, we used the alkali coprecipitation of Fe2+ and Ni2+ ions, whose hydroxides have similar values of solubility products (SPs), to prepare the most stoichiometric and structurally and compositionally homogeneous nickel ferrite precursor. The influence of the reaction parameters on the purity and particle size of the nickel ferrite phase was studied using experiment and data processing design. Spherical nanoparticles of 15.9 ± 1.1 nm in diameter were produced under the identified optimal conditions. The prepared material was used to manufacture various NiFe2O4/ZnO magnetic composites. The photocatalytic activity of the hybrid structures was shown in photodegradation of the Crystal Violet dye.

Год издания: 2024

Авторы: Nemkova D.I. , Saikova S.V. , Krolikov A.E. , Pikurova E.V. , Samoilo A.S.

Издательство: Pleiades Publishing, Ltd., Moscow

Источник: Russian Journal of Inorganic Chemistry

Выпуск: Т. 69, № 2

Номера страниц: 277-284

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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