Composite Aerogels Based on Reduced Graphene Oxide Decorated with Iron Oxide Nanoparticles: Synthesis, Physicochemical and Sorption Properties

E. A. Neskoromnaya; Нескоромная Е. А.; A. V. Babkin; Бабкин А. В.; E. A. Zakharchenko; Захарченко Е. А.; Yu. G. Morozov; Морозов Ю. Г.; E. N. Kabachkov; Кабачков Е. Н.; Yu. M. Shulga; Шульга Ю. М.

doi:10.31857/S0207401X23070130

Composite Aerogels Based on Reduced Graphene Oxide Decorated with Iron Oxide Nanoparticles: Synthesis, Physicochemical and Sorption Properties

Authors: Neskoromnaya E.A.¹, Babkin A.V.², Zakharchenko E.A.¹, Morozov Y.G.³, Kabachkov E.N.⁴, Shulga Y.M.⁴
Affiliations:
1. Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences
2. Department of Chemistry, Moscow State University
3. Merzhanov Institute of Structural Macrokinetics and Materials Science, Russian Academy of Sciences
4. Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences
Issue: Vol 42, No 7 (2023)
Pages: 41-49
Section: XXXIV СИМПОЗИУМ “СОВРЕМЕННАЯ ХИМИЧЕСКАЯ ФИЗИКА” (СЕНТЯБРЬ 2022 г., ТУАПСЕ)
URL: https://vestnikugrasu.org/0207-401X/article/view/674851
DOI: https://doi.org/10.31857/S0207401X23070130
EDN: https://elibrary.ru/YFHLEQ
ID: 674851

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Abstract
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Abstract

In this study, aerogels based on graphene oxide decorated with iron oxide nanoparticles are obtained by drying in supercritical isopropanol. For the synthesized samples with the calculated initial iron contents of 9, 18 and 36 wt %, the morphology and structure of the graphene matrix and iron-containing nanoparticles are studied using the scanning electron microscopy (SEM) and transmission electron microscopy (TEM) methods. Comparative investigations are conducted to analyze the carbon and hydrogen composition within the synthesized aerogels structure, followed by an assessment of their magnetic properties at ambient temperature. Sorption experiments are carried out for the extraction of heavy and rare earth elements from multicomponent aqueous solutions of a complex composition.

Keywords

graphene oxide, iron oxide nanoparticles, supercritical drying, aerogel, magnetization, sorption properties

References

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