Synthesis, Analysis, and Testing of BiOBr-Bi₂WO₆ Photocatalytic Heterojunction Semiconductors

Figure 12

Photocatalytic degradation efficiency as a function of time in four runs (photocatalysts: BiOBr (50 at%)-Bi₂WO₆ composites synthesized for 6 h under 120°C; catalysts dosage: 1.0 g/L; temperature: ()°C; pH = 5; and initial concentration: 10 ppm).