Polyol-Free Synthesis of Uniformly Dispersed Pt/Graphene Oxide Electrocatalyst by Sulfuric Acid Treatment
Figure 3
X-ray photoelectron C1s spectra of (a) GO, (b) Pt/GO, and (c) Pt/SGO. (d) Area ratio between C–C bond and sum of others including C–O and C=O related bonds.