Ultrsonication mediated Iron-doped reduced graphene oxide nano-sheets exhibiting unique physico-chemical properties and biomedical applications

Abstract

In this study, reduced graphene oxide nanosheets have been synthesised using hummers method in the laboratory conditions. Lateral thickness came to be ∼8–10 nm thickness profile. Crystallographical properties of the reduced graphene oxide sheets were achieved from the different X-Ray Diffraction (XRD) studies, thereby achieving (002) for reduced graphene oxide, when compared to (001) (hkl) planes for intermediate Graphitic peak, respectively. The as-formed diffraction planes signifies the formation of diffraction planes at ∼25° diffraction angle for effective formation of Reduced graphene oxide, resulted from the reduction and exfoliation from pure Graphitic structure. The nano-composites of the as-prepared Fe-Doped Reduced graphene oxide sheets has been analysed, employing the Fourier-Transform Infra-Red (FT-IR) spectroscopy approach. The elucidation of the different molecular vibrational aspects of the transitional d-block metal Fe doped Reduced graphene oxide sheets have been studied for the justification of Fe-incorporated Reduced graphene oxide sheets. Further, the micrographical analyses of the Fe-Doped different layered RGO sheets has been evaluated by High-Resolution Transmission Electron Microscopy (HR-TEM) with their respective EDAX analyses exhibting an average diameter of the as-formed composites ∼26.78 nm. Finally, the biophysical aspects of the as-prepared nano-composites were explored into the prokaryotic model organism of Gram –ve (Escherichia coli) and Gram + ve (Staphylococcus aureus) bacterium species. It is perceived that, uncovering and evaluating the underlying interaction(s) taking place between the magnetic based materials at the nano-scale posessing magnetically transistional metallic attributes within the biological organisms, would help to pave the way in unveiling the quantum-mechanical and thermodynamical attributes taking place at the nano-scale rate and kinetics of the material-bio interface.