Preparation and Photocatalytic Properties of N-Doped Graphene/TiO₂ Composites

Figure 3

(a) Full XPS spectrum of NG/TiO₂, XPS spectra of C 1s (b), O 1s (c), Ti 2p (d), N 1s (e), and F 1s (f) in NG/TiO₂.

(a)

(b)

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(d)

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(f)