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Researchers developed a heterostructure photocatalyst combining bimetallic metal-organic framework MIL-88B(Fe/Co) with titanium dioxide that efficiently degrades bisphenol A (BPA) under visible light. The synergistic effect between iron and cobalt metal centers enhances light absorption and charge separation, achieving 95% BPA mineralization within 120 minutes. The catalyst demonstrates improved performance over conventional titanium dioxide by extending photoactivity into the visible spectrum and generating reactive oxygen species more effectively.
Why it matters
This technology offers a practical solution for removing endocrine-disrupting chemicals like BPA from water sources using natural sunlight rather than energy-intensive UV lamps. The catalyst's stability and reusability make it economically viable for industrial wastewater treatment and environmental remediation applications.