Functionalization of Graphene with Nitrile Groups by Cycloaddition of Tetracyanoethylene Oxide

Figure 2

XPS general spectra and curve fit of N 1s core-level spectra for graphene (a) and functionalized graphene (b), C 1s core level for graphene (c) and functionalized graphene (d), and O 1s core level for graphene (e) and functionalized graphene (f).

(a)

(b)

(c)

(d)

(e)

(f)