Nanocomposite materials based on magnesium oxide and metal nanoparticles
https://doi.org/10.29235/1561-8331-2020-56-1-33-41
Abstract
The conditions and the patterns of copper and nickel nanoparticles formation by direct reduction from aqueous solutions of their salts in nitrogen atmosphere were studied, and nanocomposite materials based on magnesium oxide and metal nanoparticles coated with protective oxide shell were obtained. The obtained materials are of interest as sorbents for the purification of aqueous media from toxic impurities, as well as catalysts in organic synthesis, in particular for the production of methanol from carbon dioxide. Phase composition, thermal stability, microstructure of nanocomposites, as well as their sorption properties, were studied. The powders of magnesium oxide and nanocomposites based on it were found to have high sorption capacities with respect to lead and chromium ions – up to 2989.0 and 499.9 mg/g, respectively.
Keywords
metal nanoparticles,
magnesium oxide,
composites,
microstructure,
adsorption properties,
sorption capacity
Supporting agencies: This work was supported by the Belarusian Republican Foundation for Basic Research and the Romanian Academy in the framework of the Belarusian-Romanian project “Porous materials based on MgO and metal nanoparticles for use in catalysis” (agreement № X18-RA017).
About the Authors
I. V. Matsukevich
Institute of General and Inorganic Chemistry of the National Academy of Sciences of Belarus
Belarus
Belarus
Irina V. Matsukevich – Ph. D. (Chemistry), Head of the Laboratory
9/1, Surganov Str., 220072, Minsk
N. P. Krutko
Institute of General and Inorganic Chemistry of the National Academy of Sciences of Belarus
Belarus
Belarus
Nikolay P. Krutko – D. Sc. (Chemistry), Head of the Department
9/1, Surganov Str., 220072, Minsk
Yu. V. Lipai
Institute of General and Inorganic Chemistry of the National Academy of Sciences of Belarus
Belarus
Belarus
Yuliya V. Lipai – Ph. D. (Chemistry), Senior Researcher
9/1, Surganov Str., 220072, Minsk
L. V. Ovseenko
Institute of General and Inorganic Chemistry of the National Academy of Sciences of Belarus
Belarus
Belarus
Ludmila V. Ovseenko – Ph. D. (Chemistry), Deputy Director
9/1, Surganov Str., 220072, Minsk
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