Visible-light-driven reduction of CO2 to CO in fully aqueous media using a water-soluble cobalt porphyrin

Arnau Call; Mihaela Cibian; Kosei Yamauchi; Ken Sakai

doi:10.1039/D2SE00291D

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Visible-light-driven reduction of CO₂ to CO in fully aqueous media using a water-soluble cobalt porphyrin†

Arnau Call,

*^ab Mihaela Cibian,^bc Kosei Yamauchi

*^b and Ken Sakai

*^b

Author affiliations

* Corresponding authors

^a Institut de Química Computacional i Catàlisi (IQCC), Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
E-mail: arnau.call@udg.edu

^b Department of Chemistry, Faculty of Science, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
E-mail: ksakai@chem.kyushu-univ.jp

^c Département de Chimie, Biochimie et Physique, Université du Québec à Trois-Rivières, 3351, Boul. des Forges, C. P. 500, Trois-Rivières (Québec) G9A 5H7, Canada

Abstract

Herein we report a water-soluble cobalt porphyrin that efficiently catalyzes the photoreduction of CO₂ in fully aqueous media. Under visible light irradiation CO is produced as a main product (TON_CO = 2500, TOF_CO = 1200 h⁻¹) with a good selectivity over H₂ production (Sel_CO₂ = 74%).

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Article information

DOI: https://doi.org/10.1039/D2SE00291D
Article type: Communication
Submitted: 03 Mar 2022
Accepted: 25 Mar 2022
First published: 04 Apr 2022

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Sustainable Energy Fuels, 2022,6, 2160-2164

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Visible-light-driven reduction of CO₂ to CO in fully aqueous media using a water-soluble cobalt porphyrin

A. Call, M. Cibian, K. Yamauchi and K. Sakai, Sustainable Energy Fuels, 2022, 6, 2160 DOI: 10.1039/D2SE00291D

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