Issue 14, 2022

Immobilization strategies for porphyrin-based molecular catalysts for the electroreduction of CO2

Abstract

The ever-growing level of carbon dioxide (CO2) in our atmosphere, is at once a threat and an opportunity. The development of sustainable and cost-effective pathways to convert CO2 to value-added chemicals is central to reducing its atmospheric presence. Electrochemical CO2 reduction reactions (CO2RRs) driven by renewable electricity are among the most promising techniques to utilize this abundant resource; however, in order to reach a system viable for industrial implementation, continued improvements to the design of electrocatalysts is essential to improve the economic prospects of the technology. This review summarizes recent developments in heterogeneous porphyrin-based electrocatalysts for CO2 capture and conversion. We specifically discuss the various chemical modifications necessary for different immobilization strategies, and how these choices influence catalytic properties. Although a variety of molecular catalysts have been proposed for CO2RRs, the stability and tunability of porphyrin-based catalysts make their use particularly promising in this field. We discuss the current challenges facing CO2RRs using these catalysts and our own solutions that have been pursued to address these hurdles.

Graphical abstract: Immobilization strategies for porphyrin-based molecular catalysts for the electroreduction of CO2

Article information

Article type
Perspective
Submitted
01 2月 2022
Accepted
16 3月 2022
First published
17 3月 2022
This article is Open Access
Creative Commons BY license

J. Mater. Chem. A, 2022,10, 7626-7636

Immobilization strategies for porphyrin-based molecular catalysts for the electroreduction of CO2

M. Abdinejad, K. Tang, C. Dao, S. Saedy and T. Burdyny, J. Mater. Chem. A, 2022, 10, 7626 DOI: 10.1039/D2TA00876A

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