Synergetic effect of H+ adsorption and ethylene functional groups of covalent organic frameworks on the CO2 photoreduction in aqueous solution

Jie Zhou; Jin-Xian Cui; Man Dong; Chun-Yi Sun; Si-Qi You; Xin-Long Wang; Zi-Yan Zhou; Zhong-Min Su

doi:10.1039/D0CC02896G

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Synergetic effect of H⁺ adsorption and ethylene functional groups of covalent organic frameworks on the CO₂ photoreduction in aqueous solution†

Jie Zhou,^a Jin-Xian Cui,^b Man Dong,^a Chun-Yi Sun,*^a Si-Qi You,^a Xin-Long Wang,

*^a Zi-Yan Zhou

*^b and Zhong-Min Su

^ac

Author affiliations

* Corresponding authors

^a National & Local United Engineering Laboratory for Power Batteries, Key Laboratory of Polyoxometalate Science of Ministry of Education Department of Chemistry, Northeast Normal University Changchun, Jilin, P. R. China
E-mail: suncy009@nenu.edu.cn, wangxl824@nenu.edu.cn

^b School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255049, China
E-mail: zyzhou@sdut.edu.cn

^c Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, School of Chemistry and Environmental Engineering, Changchun University of Science and Technology Changchun, Jilin, China

Abstract

We prepare a novel COF for CO₂ photoreduction with 99.9% CO selectivity in aqueous solution without a cocatalyst. DFT shows that the preferential adsorption of H⁺ on the COF results in increased CO₂ adsorption energy providing an anchoring site of CO₂, and with the cooperation of an ethylene group, CO₂ reduction is triggered.

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Article information

DOI: https://doi.org/10.1039/D0CC02896G
Article type: Communication
Submitted: 22 Apr 2020
Accepted: 20 May 2020
First published: 24 May 2020

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Chem. Commun., 2020,56, 7261-7264

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Synergetic effect of H⁺ adsorption and ethylene functional groups of covalent organic frameworks on the CO₂ photoreduction in aqueous solution

J. Zhou, J. Cui, M. Dong, C. Sun, S. You, X. Wang, Z. Zhou and Z. Su, Chem. Commun., 2020, 56, 7261 DOI: 10.1039/D0CC02896G

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