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Synthesis of Graphene-Magnetite Nanoparticle Composite Using Mechanical Milling and Electrochemical Exfoliation

Saiphaneendra, Bachu and Srivastava, Chandan (2017) Synthesis of Graphene-Magnetite Nanoparticle Composite Using Mechanical Milling and Electrochemical Exfoliation. In: JOM, 69 (7). pp. 1143-1148.

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Official URL: http://dx.doi.org/10.1007/s11837-016-2189-2

Abstract

This work describes a two-step methodology for synthesizing a magnetite nanoparticle-graphene composite. In the first step, iron metal powder was ball milled with graphite to produce a mixture that was subsequently compacted to produce a pellet. In the second step, electrochemical exfoliation of this pellet was performed to produce graphene decorated with magnetite nanoparticles. Formation of graphene was established by methods such as x-ray diffraction, Raman spectroscopy, and x-ray photoelectron spectroscopy. The formation of magnetite nanoparticle-graphene composite was established by transmission-electron-microscopy-based imaging and electron diffraction methods. The magnetite nanoparticles on the graphene sheet had an average size of similar to 12 nm and were nonuniformly distributed.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Depositing User: Id for Latest eprints
Date Deposited: 14 Jul 2017 04:33
Last Modified: 14 Jul 2017 04:33
URI: http://eprints.iisc.ac.in/id/eprint/57363

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