Enhanced Photocatalytic Activity of TiO₂/SnO₂ Binary Nanocomposites

Figure 6

Total acidity of sample surface: 1: TiO₂P25; 2: sTiO₂; 3: Р25TiO₂-SnO₂; 4: s1TiO₂-SnO₂; and 5: s2TiO₂-SnO₂.