Oxygen Doping Cooperated with Co-N-Fe Dual-Catalytic Sites : Synergistic Mechanism for Catalytic Water Purification within Nanoconfined Membrane

© 2024 The Authors. Advanced Materials published by Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 30 vom: 13. Juli, Seite e2404278
1. Verfasser: Wang, Ziwei (VerfasserIn)
Weitere Verfasser: Yi, Zhigang, Wong, Lok Wing, Tang, Xiang, Wang, Hou, Wang, Han, Zhou, Chengyun, He, Yangzhuo, Xiong, Weiping, Wang, Guangfu, Zeng, Guangming, Zhao, Jiong, Xu, Piao
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article catalysis membrane coordination environment modulation dual‐atom catalysts graphitic carbon nitride peroxymonosulfate
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520 |a Atom-site catalysts, especially for graphitic carbon nitride-based catalysts, represents one of the most promising candidates in catalysis membrane for water decontamination. However, unravelling the intricate relationships between synthesis-structure-properties remains a great challenge. This study addresses the impacts of coordination environment and structure units of metal central sites based on Mantel test, correlation analysis, and evolution of metal central sites. An optimized unconventional oxygen doping cooperated with Co-N-Fe dual-sites (OCN Co/Fe) exhibits synergistic mechanism for efficient peroxymonosulfate activation, which benefits from a significant increase in charge density at the active sites and the regulation in the natural population of orbitals, leading to selective generation of SO4 •-. Building upon these findings, the OCN-Co/Fe/PVDF composite membrane demonstrates a 33 min-1 ciprofloxacin (CIP) rejection efficiency and maintains over 96% CIP removal efficiency (over 24 h) with an average permeance of 130.95 L m-2 h-1. This work offers a fundamental guide for elucidating the definitive origin of catalytic performance in advance oxidation process to facilitate the rational design of separation catalysis membrane with improved performance and enhanced stability 
650 4 |a Journal Article 
650 4 |a catalysis membrane 
650 4 |a coordination environment modulation 
650 4 |a dual‐atom catalysts 
650 4 |a graphitic carbon nitride 
650 4 |a peroxymonosulfate 
700 1 |a Yi, Zhigang  |e verfasserin  |4 aut 
700 1 |a Wong, Lok Wing  |e verfasserin  |4 aut 
700 1 |a Tang, Xiang  |e verfasserin  |4 aut 
700 1 |a Wang, Hou  |e verfasserin  |4 aut 
700 1 |a Wang, Han  |e verfasserin  |4 aut 
700 1 |a Zhou, Chengyun  |e verfasserin  |4 aut 
700 1 |a He, Yangzhuo  |e verfasserin  |4 aut 
700 1 |a Xiong, Weiping  |e verfasserin  |4 aut 
700 1 |a Wang, Guangfu  |e verfasserin  |4 aut 
700 1 |a Zeng, Guangming  |e verfasserin  |4 aut 
700 1 |a Zhao, Jiong  |e verfasserin  |4 aut 
700 1 |a Xu, Piao  |e verfasserin  |4 aut 
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773 1 8 |g volume:36  |g year:2024  |g number:30  |g day:13  |g month:07  |g pages:e2404278 
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