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

Figure 6

The spectra of different samples: (a) Raman spectra, (b) FT-IR spectra, (c) PL spectra, and (d, e) UV-vis patterns.

(a)

(b)

(c)

(d)

(e)