Journal
COORDINATION CHEMISTRY REVIEWS
Volume 256, Issue 21-22, Pages 2562-2570Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ccr.2012.03.010
Keywords
Carbon dioxide; Photocatalysis; Electrocatalysis; Solar energy conversion
Categories
Funding
- EPSRC
- EPSRC [EP/F047770/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/F047770/1] Funding Source: researchfish
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This review describes recent developments in photocatalytic and electrocatalytic CO2 reduction. On the electrocatalytic side, there have been advances in optimization of known rhenium motifs sometimes in conjunction with silicon photoelectrodes giving enhanced catalytic current and stability. Complexes of copper capable of absorbing atmospheric CO2 have been incorporated into an electrocatalytic cycle and metal-free electrocatalysis of CO2 to methanol has been achieved with pyridinium ions. A complete cell with two photo-electrodes, one for water oxidation and the other for CO2 reduction to formate has been set up successfully. The cathode employs ruthenium catalysts on InP. Progress in photocatalytic CO2 reduction has been made with osmium complexes exhibiting good selectivity and stability. The separation between Ru and Re centers in light-harvesting donor-acceptor dyads has been investigated providing some inspiration for design. A ruthenium catalyst has been sensitized by tantalum oxide particles. Metalloporphyrin-rhenium dyads have also been studied for photocatalytic CO2 reduction. In the biological arena, a ruthenium complex has been used to sensitize carbon monoxide dehydrogenase on titanium dioxide particles. (C) 2012 Elsevier B.V. All rights reserved.
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