Unlocking Topological Effects in Covalent Organic Frameworks for High-Performance Photosynthesis of Hydrogen Peroxide

© 2024 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - (2024) vom: 07. Nov., Seite e2410247
1. Verfasser: Cheng, Jun (VerfasserIn)
Weitere Verfasser: Wu, Yuting, Zhang, Wan, Wang, Lei, Wu, Xiaojun, Xu, Hangxun
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article charge transfer covalent organic frameworks hydrogen peroxide photocatalysis topology
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520 |a Covalent organic frameworks (COFs) offer a compelling platform for the efficient photosynthesis of hydrogen peroxide (H2O2). Constructed with diverse topologies from various molecular building units, COFs can exhibit unique photocatalytic properties. In this study, three π-conjugated 2D sp2 carbon-linked COFs with distinctly different topologies (hcb, sql, and hxl) are designed to investigate the topological effect on the overall photosynthesis of H2O2 from water and oxygen. Despite their similar chemical and band structures, the QP-HPTP-COF with hxl topology outperformed other COFs in the photosynthesis of H2O2, demonstrating a remarkable solar-to-chemical conversion efficiency of 1.41%. Comprehensive characterizations confirmed that the hxl topology can substantially improve charge separation and transfer, thereby significantly enhancing photocatalytic performance. This study not only unravels the topology-directed charge carrier dynamics in COFs but also establishes a molecular engineering framework for developing high-performance photocatalysts for sustainable H2O2 production 
650 4 |a Journal Article 
650 4 |a charge transfer 
650 4 |a covalent organic frameworks 
650 4 |a hydrogen peroxide 
650 4 |a photocatalysis 
650 4 |a topology 
700 1 |a Wu, Yuting  |e verfasserin  |4 aut 
700 1 |a Zhang, Wan  |e verfasserin  |4 aut 
700 1 |a Wang, Lei  |e verfasserin  |4 aut 
700 1 |a Wu, Xiaojun  |e verfasserin  |4 aut 
700 1 |a Xu, Hangxun  |e verfasserin  |4 aut 
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