Urea-based synthesis of magnetite nanoparticles and its composite with graphene oxide: structural and magnetic characterization

Magnetite-loaded graphene oxide nanocomposites are currently studied as an easily retrievable efficient adsorbent of dyes and heavy metals. Therefore, the search for facile and low cost synthetical methods to prepare them is intensively pursued. This work describes a simple one-pot method to produce...

Full description

Saved in:
Bibliographic Details
Published in:Journal of materials science. Materials in electronics 2020-05, Vol.31 (10), p.7490-7498
Main Authors: Pérez-Guzmán, M. A., Ortega-Amaya, R., Santoyo-Salazar, J., Ortega-López, M.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Graphene
Heavy metals
Iron chlorides
Iron oxides
Magnetic properties
Magnetite
Materials Science
Methylene blue
Nanocomposites
Nanoparticles
Optical and Electronic Materials
Structural analysis
Ureas
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Magnetite-loaded graphene oxide nanocomposites are currently studied as an easily retrievable efficient adsorbent of dyes and heavy metals. Therefore, the search for facile and low cost synthetical methods to prepare them is intensively pursued. This work describes a simple one-pot method to produce superparamagnetic magnetite nanoparticles (Fe 3 O 4 ), and a hybrid nanocomposite of magnetite nanoparticles decorating reduced graphene oxide (Fe 3 O 4 –rGO) by reacting ferrous chloride with urea in water or graphene oxide–water dispersions, respectively. The synthetical method is based on temperature-assisted urea decomposition in water. The final products comprised Fe 3 O 4 nanoparticles or Fe 3 O 4 -decorated rGO sheets. Outstandingly, despite the polydisperse nature of Fe 3 O 4 , both materials are nearly superparamagnetic, and GO was partially reduced during the Fe 3 O 4 –GO preparation to produce Fe 3 O 4 –rGO. We propose plausible pathways for the Fe 3 O 4 formation, as well as a preliminary study on methylene blue degradation in water, using the Fe 3 O 4 –rGO nanocomposite.
ISSN:0957-4522
1573-482X
DOI:10.1007/s10854-020-02989-5