Abstract
In this study, nano graphene oxide (NGO) was synthesized by modified Hummer's method, the functionalization surface of nano graphene oxide (NGO) by amino acid (methionine, cysteine) by covalent functionalization of NGO with amino acid group using microwave 20% power (140 W) and characterization by Fourier transform infrared spectrophotometer (FT-IR), X-ray diffraction spectroscopy (XRD), and field emission scanning electronic microscopy (FESEM). The calculated particle size of prepared compounds GO, GOM, and GOC is dependent on the pattern X-ray diffraction spectroscopy (XRD), XRD using (Debye – Scherer) and (Williamson – Hall) equation GO (16 nm), GOM (16.83nm), and GOC (19.nm). The FESEM exhibited for graphene oxide surface has many layers of light grey and has kinked regions and wrinkled edges, while re-stacked layers are light colored. The surfaces of GOM and GOC have sharp edges, crumpled and rippled.
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