Dual engineering of oxygen vacancies and cation substitution: Insights into electronic density redistribution for ultrahigh peroxymonosulfate activation

• Published in: Separation and purification technology Vol. 378; p. 134509
• Main Authors: Zhang, Zepeng, Ouyang, Yixin, Zhou, Jiawei, Liu, Zifan, Hu, Min, Zhang, Qifeng, Li, Xiuwen, Zhang, Lan, Hang, Xiaoshuai, Li, Zijian
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 22.12.2025
• Subjects: Cation substitution; Cobalt-based catalyst; Interfacial behaviors; Oxygen vacancy; Peroxymonsulfate activation; Water decontamination; Cation substitution; Peroxymonsulfate activation; Water decontamination; Interfacial behaviors; Cobalt-based catalyst; Oxygen vacancy

[Display omitted] •A facile surfactant-free cyanogel-NaBH4 method is synthesized transition metal oxides.•The fabricated Fe-Co-OV exhibits exceptional intrinsic activity and PMS utilization.•EPR evidence shows ●OH and SO4●- drive pollutant degradation in Fe-Co-OV/PMS system.•DFT proves that O-vacanc...