Constructing single atom sites on bipyridine covalent organic frameworks for selective electrochemical production of H2O2

Shaoda Huang; Bingyan Zhang; Huimin Sun; Hongyin Hu; Jinyan Wang; Fang Duan; Han Zhu; Mingliang Du; Shuanglong Lu

doi:10.1039/D3CC02948D

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Constructing single atom sites on bipyridine covalent organic frameworks for selective electrochemical production of H₂O₂†

Shaoda Huang,^ab Bingyan Zhang,^a Huimin Sun,^a Hongyin Hu,^a Jinyan Wang,^a Fang Duan,^a Han Zhu,

^a Mingliang Du

^a and Shuanglong Lu

*^a

Author affiliations

* Corresponding authors

^a Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China
E-mail: lushuanglong@jiangnan.edu.cn

^b School of Materials Science and Engineering, Natural Sciences and Science Education in National Institute of Education, Nanyang Technological University, Singapore, Singapore

Abstract

We developed a series of single atom catalysts (SACs) anchored on bipyridine-rich COFs. By tuning the active metal center, the optimal Py-Bpy-COF-Zn shows the highest selectivity of 99.1% and excellent stability toward H₂O₂ production via oxygen reduction, which can be attributed to the high *OOH dissociation barrier indicated by the theoretical calculations. As a proof of concept, it acts as a cathodic catalyst in a homemade Zn–air battery, together with efficient wastewater treatment.

This article is part of the themed collection: 2023 Emerging Investigators

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Article information

DOI: https://doi.org/10.1039/D3CC02948D
Article type: Communication
Submitted: 20 Jun 2023
Accepted: 31 Jul 2023
First published: 01 Aug 2023

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Chem. Commun., 2023,59, 10424-10427

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Constructing single atom sites on bipyridine covalent organic frameworks for selective electrochemical production of H₂O₂

S. Huang, B. Zhang, H. Sun, H. Hu, J. Wang, F. Duan, H. Zhu, M. Du and S. Lu, Chem. Commun., 2023, 59, 10424 DOI: 10.1039/D3CC02948D

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