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. 2018 Jul 16;8:10686. doi: 10.1038/s41598-018-28959-w

Figure 4.

Figure 4

XPS spectra of full survey (a) and deconvoluted C1s (b, c) binding energy region for graphene film electrodes before and after surface electrochemical oxidation, where solid and dash lines represent the experimental data and the single-peak gaussian profile of each designated binding energy region, respectively.