Figure 6 | Scientific Reports

Figure 6

From: Correlation between defect density in mechanically milled graphite and total oxygen content of graphene oxide produced from oxidizing the milled graphite

Figure 6

Graphical Summary of GO series prepared through two-step method of ballmilling and oxidation. Graphite is ballmilled for different hours. In the next step, Graphene oxide (GO) is prepared through Tour’s method of oxidation of each graphite (milled and unmilled). Blue arrow represents ballmilling process, red line indicates Tour’s method of oxidation. Green line indicates increase in defects. Circles represent functional groups, blue for carboxyl, yellow for carbonyl, orange for hydroxyl groups. All the structures in this figure are for representation purpose only and are not scalable.

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