Fig. 1
From: Green synthesis of graphene oxide by seconds timescale water electrolytic oxidation
Synthesis of EGO by water electrolytic oxidation. a, Schematic illustration of the synthesis process of EGO by water electrolytic oxidation. b–e, Photos of the raw material and the products obtained at each step. b, FGP. c, GICP (blue area) obtained after EC intercalation of FGP in 98 wt.% H2SO4 at 1.6 V for 20 min. d, Graphite oxide (yellow area) obtained by water electrolytic oxidation of the GICP in 50 wt.% H2SO4 at 5 V for 30 s. e, Well-dispersed EGO aqueous solution (5 mg·mL−1) obtained by sonication of the graphite oxide in water for 5 min. Scale bars in b-d: 1 mm
