Anchoring Fe3O4 nanoparticles in a reduced graphene oxide aerogel matrix via polydopamine coating

Reduced graphene oxide–magnetite hybrid aerogels attract great interest thanks to their potential applications, e.g., as magnetic actuators. However, the tendency of magnetite particles to migrate within the matrix and, ultimately, escape from the aerogel structure, remains a technological challenge...

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Published in:Beilstein journal of nanotechnology 2018, Vol.9 (1), p.591-601
Main Authors: Scheibe Błażej, Mrówczyński Radosław, Michalak, Natalia, Załęski Karol, Matczak Michał, Kempiński Mateusz, Pietralik Zuzanna, Lewandowski Mikołaj, Jurga Stefan, Feliks, Stobiecki
Format: Article
Language:English
Subjects:
aerogel
Aerogels
Anchoring
Anchors
Coating
composite
Defects
Fe3O4 nanoparticles
Fourier transforms
Full Research Paper
Graphene
Hydrogels
Industrial applications
Investigations
Iron oxides
Magnetic properties
Magnetite
Mickiewicz, Adam Bernard (1798-1855)
Morphology
Nanomaterials
Nanoscience
Nanotechnology
Oxidation
polydopamine
Pore size
reduced graphene oxide
Sensors
Software
Spectrum analysis
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container_issue 1
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container_title Beilstein journal of nanotechnology
container_volume 9
creator Scheibe Błażej
Mrówczyński Radosław
Michalak, Natalia
Załęski Karol
Matczak Michał
Kempiński Mateusz
Pietralik Zuzanna
Lewandowski Mikołaj
Jurga Stefan
Feliks, Stobiecki
description Reduced graphene oxide–magnetite hybrid aerogels attract great interest thanks to their potential applications, e.g., as magnetic actuators. However, the tendency of magnetite particles to migrate within the matrix and, ultimately, escape from the aerogel structure, remains a technological challenge. In this article we show that coating magnetite particles with polydopamine anchors them on graphene oxide defects, immobilizing the particles in the matrix and, at the same time, improving the aerogel structure. Polydopamine coating does not affect the magnetic properties of magnetite particles, making the fabricated materials promising for industrial applications.
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subjects aerogel
Aerogels
Anchoring
Anchors
Coating
composite
Defects
Fe3O4 nanoparticles
Fourier transforms
Full Research Paper
Graphene
Hydrogels
Industrial applications
Investigations
Iron oxides
Magnetic properties
Magnetite
Mickiewicz, Adam Bernard (1798-1855)
Morphology
Nanomaterials
Nanoscience
Nanotechnology
Oxidation
polydopamine
Pore size
reduced graphene oxide
Sensors
Software
Spectrum analysis
title Anchoring Fe3O4 nanoparticles in a reduced graphene oxide aerogel matrix via polydopamine coating
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