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Structural and functional investigation of graphene oxide–Fe3O4 nanocomposites for the heterogeneous Fenton-like reaction

Nor Aida Zubir Christelle Yacou 1, 2 Julius Motuzas 3 Xiwang Zhang João C. Diniz da Costa 4
1 University of Queensland [Brisbane]
2 COVACHIM- M2E - Connaissance et Valorisation : Chimie des Matériaux, Environnement, Energie
3 IEM - Institut Européen des membranes
4 FIM2Lab - The University of Queensland, FIM2Lab – Functional Interfacial Materials and Membrane Laboratory, School of Chemical Engineering, Brisbane, QLD 4067, Australia
University of Queensland [Brisbane]
Abstract : Abstract View references (45) Graphene oxide-iron oxide (GO-Fe3O4) nanocomposites were synthesised by co-precipitating iron salts onto GO sheets in basic solution. The results showed that formation of two distinct structures was dependent upon the GO loading. The first structure corresponds to a low GO loading up to 10wt%, associated with the beneficial intercalation of GO within Fe3O4nanoparticles and resulting in higher surface area up to 409m2g-1. High GO loading beyond 10 wt% led to the aggregation of Fe3O4 nanoparticles and the undesirable stacking of GO sheets. The presence of strong interfacial interactions (Fe-O-C bonds) between both components at low GO loading lead to 20% higher degradation of Acid Orange 7 than the Fe3O4 nanoparticles in heterogeneous Fenton-like reaction. This behaviour was attributed to synergistic structural and functional effect of the combined GO and Fe3O4 nanoparticles.
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https://hal.univ-antilles.fr/hal-01683208
Contributor : Christelle Yacou <>
Submitted on : Friday, January 12, 2018 - 9:55:40 PM
Last modification on : Tuesday, May 28, 2019 - 2:18:04 PM

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UNIV-AG | CNRS | IEM | INC-CNRS | CHIMIE | UNIV-MONTPELLIER | COVACHIM-M2E

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Nor Aida Zubir, Christelle Yacou, Julius Motuzas, Xiwang Zhang, João C. Diniz da Costa. Structural and functional investigation of graphene oxide–Fe3O4 nanocomposites for the heterogeneous Fenton-like reaction. Scientific Reports, Nature Publishing Group, 2015, 4 (1), ⟨10.1038/srep04594⟩. ⟨hal-01683208⟩

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