Preparation of Nitrogen-Doped Mesoporous TiO₂/RGO Composites and Its Application to Visible Light-Assisted Photocatalytic Degradation

Figure 5

(a) The survey XPS spectra of NMT-1.8. (b) High-resolution C 1s core level XPS spectra of NMT-1.8. (c) High-resolution N 1s core level XPS spectra of NMT-1.8. (d) High-resolution S 2p core level XPS spectra of NMT-1.8.

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(b)

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