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

Figure 9

Photocatalytic degradation efficiency as a function of time in systems with various photocatalysts dosage by using BiOBr (50 at%)-Bi₂WO₆ composites synthesized for 6 h under 120°C (temperature: ()°C; pH = 5; and initial concentration: 20 ppm).