Characterization of Modified Magnetic Iron-Oxide by Nitrogen-Doped Graphene-Oxide Nanocomposites (Fe3O4/NGO)

In this study, modified magnetic Iron-oxide (Fe3O4) nanocomposites were synthesized using nitrogen-doped graphene-oxide (Fe3O4/NGO). For the synthesis of the magnetic nanoparticles of iron-oxide, the sedimentary method was used. The magnetic nanocomposites were fabricated using the chemical method by a covalent bond between nitrogen-doped graphene oxide and the iron-oxide magnetic nanoparticles. To determine the physical and chemical properties of obtained nanoparticles, Fourier-Transform IinfraRed (FT-IR) spectroscopy, Energy-Dispersive X-ray (EDX)  spectroscopy, thermal gravimetric Analysis (TGA), Field Emission Scanning Electron Microscopy (FESEM) analysis were applied. The results confirmed that nitrogen has doped in graphene and nanocomposites were synthesized successfully. The crystallite size of the nanocomposites were calculated 20-40 nm. Homogeneous distribution of spherical and ellipsoid Iron oxide nanoparticles was obvious in the FESEM images. The synthesized nanocomposites with small size present it as a great candidate for photocatalyst application.