Cs3Bi2Br9/BiOCl S-scheme heterojunction photocatalysts with solid built-in electric field for efficient polystyrene microplastics degradation

Built-in electric field driven S-scheme Bi 2 O 2 CO 3 /Bi 5 O 7 Br heterojunction for superior photocatalytic mineralization of polystyrene microplastics

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A bismuth-based S-scheme heterojunction photocatalyst with a built-in electric field was engineered to enhance charge separation and achieve superior photocatalytic degradation of polystyrene microplastics under light irradiation. This approach demonstrates a promising pathway for direct destruction of persistent microplastic pollutants using solar-driven catalysis.

Core-shell BiOBr/BiOI/MIL-53(Fe)-min double Z-type heterojunction for efficient and stable photocatalytic degradation from small molecules to microplastics

High-Efficiency photocatalytic degradation of polystyrene microplastics using In2O3-rGO nanocomposite catalysts under visible Light

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Researchers developed an indium oxide-reduced graphene oxide nanocomposite catalyst that degrades polystyrene microplastics under visible light, achieving 56% degradation of 500 nm particles in 12 hours, with FTIR and Raman analysis confirming carbonyl group formation and the degraded particles aggregating into larger clusters suitable for filtration removal from drinking water.

Advanced photocatalytic materials for micro/nanoplastic degradation: A comprehensive review

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Tiny plastic particles called micro- and nanoplastics are turning up everywhere, in our oceans, soil, and likely our bodies, raising concerns about long-term health effects. This review rounds up the latest science on using light-activated materials (photocatalysts) to break down these plastic particles, including newer "green" methods made from plants, algae, and bacteria that could make cleanup cheaper and more eco-friendly. While these technologies are still being developed rather than ready for widespread use, they represent a promising direction for tackling plastic pollution at its source.

Z-Scheme Charge Transfer in BiOCl/CoWO4 Heterostructures for Enhanced Photocatalytic Removal of Ciprofloxacin and Microplastics

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Researchers engineered a new photocatalyst material that degrades the antibiotic ciprofloxacin 37 times faster than existing materials under visible light and also showed modest ability to break down polyethylene microplastics, pointing toward potential new approaches for treating plastic-contaminated water.