A novel photocatalyst based on a Z-scheme heterojunction of g-C3N4 (graphitic carbon nitride) and Bi4O5Br2 (bismuth oxyhalide) has achieved a 98% degradation efficiency of bisphenol A (BPA) under visible light. This advanced structure enhances charge separation and reactive species generation, addressing the challenges of photogenerated carrier recombination. The study demonstrates the material’s potential for environmental remediation, especially in water treatment, and provides a theoretical foundation for future photocatalyst development aimed at tackling organic pollutants like BPA and Rhodamine B.
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