Abstract
Graphene and its derivatives, graphene oxide (GO) and reduced graphene oxide (rGO), are 2D materials of great interest thanks to excellent electromagnetic properties and high specific surface area, while spinel ferrites are ferrimagnetic ceramics extensively used in the electronics industry. A composite based on these two materials, cobalt ferrite (CoFe2O4) anchored in rGO sheets, is promising for electromagnetic shielding, since it combines the energy dissipation effects of magnetic and electric materials. The purpose of this work was to characterize, using X-Ray Diffraction (XRD), Scanning Electron Microscopy (SEM), and Fourier Transform Infrared Spectroscopy (FTIR), an rGO/CoFe2O4 composite produced by the hydrothermal method. The results showed that the composite was successfully manufactured and can be used for electromagnetic shielding.
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