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A simple and scalable method for preparing magnetite / graphene oxide nanocomposites under mild conditions

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Document pages: 11 pages

Abstract: Nanostructured composite dispersions containing magnetic nanoparticles (MNP) and graphene oxide (go) layers were prepared by a simple and easy to expand room temperature procedure. We found that due to the huge surface area and negative surface charge of aqueous go suspension, a large number of positively charged MNPs can be electrostatically attached to the layered body. This procedure is superior to many previous synthesis approaches because it utilizes the charge regulated adhesion of bare MNP to form stable and uniform nanocomposites over a wide composition range without any preliminary functionalization steps or harsh conditions that may lead to material chemical degradation.

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