Construction of a redox pathway through a polyoxometalate and covalent organic framework for H2O2 photosynthesis

Yin Gong; Hongda Ren; Xiaojing Sang; Haotian Zhu; Jingzhen Zhang; Sifan Li; Zhongling Lang; Jiansheng Li

doi:10.1039/D4CC00367E

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Construction of a redox pathway through a polyoxometalate and covalent organic framework for H₂O₂ photosynthesis†

Yin Gong,‡^a Hongda Ren,‡^b Xiaojing Sang,

*^a Haotian Zhu,^a Jingzhen Zhang,^c Sifan Li,^a Zhongling Lang

*^b and Jiansheng Li

*^ac

Author affiliations

* Corresponding authors

^a School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, Liaoning, China
E-mail: sangxj923@lnnu.edu.cn, lijiansheng@lnnu.edu.cn

^b Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Changchun, Jilin, China
E-mail: langzl554@nenu.edu.cn

^c State Key Laboratory of Catalysis, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Dalian 116023, Liaoning, China
E-mail: lijiansheng@dicp.ac.cn

Abstract

A novel type of electron donor–acceptor system was built from a nitrogen-rich covalent organic framework (PC) and a polyoxometalate (BW₁₂), fabricating a composite material (BW₁₂@PC-250), which shows significantly improved photocatalytic H₂O₂ yield (56.4 μM h⁻¹) under full spectrum illumination in pure water, being about 30 times higher than that of PC. This is due to the opening of the electron and proton transport pathway between PC and BW₁₂, which paves a new way for POMs to modulate the photocatalytic reactions of COFs.

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Article information

DOI: https://doi.org/10.1039/D4CC00367E
Article type: Communication
Submitted: 25 Jan 2024
Accepted: 23 Feb 2024
First published: 23 Feb 2024

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Chem. Commun., 2024,60, 3335-3338

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Construction of a redox pathway through a polyoxometalate and covalent organic framework for H₂O₂ photosynthesis

Y. Gong, H. Ren, X. Sang, H. Zhu, J. Zhang, S. Li, Z. Lang and J. Li, Chem. Commun., 2024, 60, 3335 DOI: 10.1039/D4CC00367E

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Chemical Communications