Photocatalytic Activity in Phenol Removal of Water from Graphite and Graphene Oxides: Effect of Degassing and Chemical Oxidation in the Synthesis Process

Figure 2

Raman spectra of (a) GO-2, GO-4, and GO-6 and (b) GEO-2-55, GEO-4-55, GEO-6-55, GEO-2-65, GEO-4-65, and GEO-6-65.

(a)

(b)