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Figure 3 | Nanoscale Research Letters

Figure 3

From: The aniline-to-azobenzene oxidation reaction on monolayer graphene or graphene oxide surfaces fabricated by benzoic acid

Figure 3

HRPES measurements indicating oxidation from aniline to azobenzene on GOx surfaces prepared using benzoic acid. N 1 s core level spectra of (a) 3,600 L aniline on EG at 300 K, (b) 3,600 L aniline on a GOx surface prepared using benzoic acid at 300 K. The N1 and N2 peaks corresponded to the aniline and azobenzene nitrogen peaks. (c) and (d) show the plots of the intensity ratio between the N1 and N2 features as a function of the aniline coverage on the EG and GOx surfaces, respectively.

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