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Issue 6, 2013

Organic molecules as mediators and catalysts for photocatalytic and electrocatalytic CO2 reduction

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Abstract

Reduction of CO2 by electrochemical and photoelectrochemical methods to produce carbon-rich fuels is a heavily pursued research theme. Most of the current efforts are focused on the development of transition-metal-based catalysts. In this tutorial review, we present an overview of the development of organic molecules as mediators and catalysts for CO2 reduction. Four classes of organic molecules are discussed: tetraalkylammonium salts, aromatic esters and nitriles, ionic liquids, and pyridinium derivatives. It is shown that reactions mediated or catalyzed by these organic molecules can be competitive compared to their metal-catalyzed counterparts, both in terms of product selectivity and energy efficiency.

Graphical abstract: Organic molecules as mediators and catalysts for photocatalytic and electrocatalytic CO2 reduction

  • This article is part of the themed collection: Solar fuels

Article information


Submitted
23 Jul 2012
First published
20 Sep 2012

Chem. Soc. Rev., 2013,42, 2253-2261
Article type
Tutorial Review

Organic molecules as mediators and catalysts for photocatalytic and electrocatalytic CO2 reduction

Y. Oh and X. Hu, Chem. Soc. Rev., 2013, 42, 2253 DOI: 10.1039/C2CS35276A

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