Fig. 1. XRD patterns of a) GO, chemically reduced RGO, thermally annealed RGO, graphene-zinc oxide(Doping Zn) and b) RGO annealed at the various RTA conditions.
Fig. 2. XRD patterns of a) RGO annealed at the various RTA conditions measuring at the 2θ of 40°~50° and b) at the 2θ of 44°~46°.
Fig. 3. a) Raman spectrographs of RGO and RTA RGO at 400℃ and 800℃ in Ar and Ar/H2 atmosphere and b) the D/G ratio depending on the RTA conditions.
Fig. 5. Cyclic voltammetry analyses of GZO depending on RTA temperature and atmosphere.
Fig. 6. Specific capacitance(Sc) of GZO depending on RTA temperature and atmosphere
Fig. 7. Electrochemical impedance of RGO rapid thermal annealed at 400℃ and 800℃ in Ar and Ar/H2
Fig. 4. XPS patterns of a) RGO annealed at the various RTA conditions. b) C1s XPS peaks of RGO annealed at the various RTA conditions
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