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Synergistic dual-defect band engineering for highly efficient photocatalytic degradation of microplastics <i>via</i> Nb-induced oxygen vacancies in SnO<sub>2</sub> quantum dots

Journal of Materials Chemistry A 2025 24 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 63 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Jianqiao Liu, Junsheng Wang, Qianru Zhang, Qianru Zhang, Qianru Zhang, Qianru Zhang, Qianru Zhang, Qianru Zhang, Qianru Zhang, Qianru Zhang, Junsheng Wang, Dan Zhao, Yang Wang, Xian Wu, Junsheng Wang, Qianru Zhang, Qianru Zhang, Di Wu, Ningning Su, Junsheng Wang, Yang Wang, Fang Chen, Junsheng Wang, Ce Fu Ce Fu, Junsheng Wang, Jianqiao Liu, Qianru Zhang, Ce Fu, Ce Fu

Summary

Researchers engineered a new material using niobium-doped tin oxide quantum dots that can break down polyethylene microplastics in water using visible light. The material works through a photocatalytic process, meaning sunlight can power the degradation of microplastics in real-world water conditions. This technology could offer a practical way to clean microplastic-contaminated water sources.

Polymers

Synergistic dual-defect engineering in Nb-doped SnO 2 QDs boosts visible-light photocatalysis by creating oxygen vacancies, narrowing bandgaps, and extending carrier lifetimes, enabling efficient degradation of PE microplastics in real-world water.

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