Preparation, Characterization, and Activity Evaluation of CuO/F-TiO₂ Photocatalyst

Figure 5

Photoluminescence emission spectra of photocatalysts. (a) TiO₂, (b) CuO (0.1 wt.%)/F-TiO₂, (c) CuO (0.3 wt.%)/F-TiO₂, (d) CuO (0.5 wt.%)/F-TiO₂, (e) CuO (3 wt.%)/F-TiO₂, (f) CuO (1 wt.%)/F-TiO₂.