


Volume 20 No 16 (2022)
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Structural, Morphological and Supercapacitor Performance of Reduced Graphene Oxide Nanomaterials for Future Generation Energy Storage Devices
D.Govindarajan, M.Joseph Salethraj
Abstract
n this work, The Reduced Graphene oxide (RGO) was prepared from the pure Graphite powder
by using modified Hummer’s method. The synthesized RGO was characterized through X-ray diffraction
(XRD), Fourier transform infra-red spectroscopy(FTIR), Micro-Raman, Scanning electron
microscopy(SEM), high resolution transmission electron microscopy(HRTEM) with EDX and Cyclic
Voltammetric studies. The XRD characteristic peak of graphene oxide (GO) appeared at 11.89˚ and the
RGO characteristic peak spotted at 24.06˚. The functional group analysis of RGO was carried out by FTIR
spectroscopy. The Raman characteristic peak of RGO appeared at 1338 cm-1and 1590 cm-1 which implies
that the D band and G band of Sp2
carbon material. The SEM and HRTEM images of GO and RGO
appeared as a layered nanosheet shapes. The EDX spectrum of RGO shows only carbon and oxygen
element which indicates the purity of the RGO. The CV results of the RGO electrode exhibit a typical
rectangular shape with good specific capacitance valueof 94 Fg-1@10 mvS-1
Keywords
Reduced Graphene Oxide; SEM;HRTEM; Cyclic Voltammetric
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