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
Jianqiao Liu, Dan Zhao, Xian Wu, Di Wu, Ningning Su, Yang Wang, Fang Chen, Ce Fu, Junsheng Wang, Qianru Zhang
Abstract
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.
Topics & Concepts
PhotocatalysisDegradation (telecommunications)Quantum dotSemiconductorMaterials scienceBand gapDual (grammatical number)MicroplasticsOxygenWide-bandgap semiconductorOptoelectronicsNanostructureNanotechnologyEngineering physicsChemical engineeringChemistryCatalysisPhysicsEnvironmental chemistryElectronic engineeringEngineeringOrganic chemistryLiteratureArtBiochemistryMicroplastics and Plastic PollutionRecycling and Waste Management TechniquesAdvanced Photocatalysis Techniques