Splitting CO₂ into CO and O₂ by a single catalyst

The metal complex [(tpy)(Mebim-py)Ru ᴵᴵ(S)] ²⁺ (tpy = 2,2 ′ : 6 ′,2 ′′-terpyridine; Mebim-py = 3-methyl-1-pyridylbenzimidazol-2-ylidene; S = solvent) is a robust, reactive electrocatalyst toward both water oxidation to oxygen and carbon dioxide reduction to carbon monoxide. Here we describe its use...

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Veröffentlicht in:	Proc. Natl. Acad. Sci. USA 2012-09, Vol.109 (39), p.15606-15611
Hauptverfasser:	Chen, Zuofeng, Concepcion, Javier J, Brennaman, M. Kyle, Kang, Peng, Norris, Michael R, Hoertz, Paul G, Meyer, Thomas J
Format:	Artikel
Sprache:	eng
Schlagworte:	Anodes Carbenes Carbon dioxide Carbon Dioxide - chemistry carbon monoxide Carbon Monoxide - chemistry Catalysis catalysis (homogeneous), catalysis (heterogeneous), solar (photovoltaic), solar (fuels), photosynthesis (natural and artificial), hydrogen and fuel cells, electrodes - solar, charge transport, materials and chemistry by design, synthesis (novel materials), synthesis (self-assembly) Catalysts CHEMICAL APPROACHES TO ARTIFICIAL PHOTOSYNTHESIS: SOLAR FUELS SPECIAL FEATURE Electrochemical Techniques electrochemistry Electrodes Electrolysis Glassy carbon Ligands Oxidation Oxidation-Reduction oxygen Oxygen - chemistry Photosynthesis Physical Sciences Ruthenium - chemistry solvents
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Zusammenfassung:	The metal complex [(tpy)(Mebim-py)Ru ᴵᴵ(S)] ²⁺ (tpy = 2,2 ′ : 6 ′,2 ′′-terpyridine; Mebim-py = 3-methyl-1-pyridylbenzimidazol-2-ylidene; S = solvent) is a robust, reactive electrocatalyst toward both water oxidation to oxygen and carbon dioxide reduction to carbon monoxide. Here we describe its use as a single electrocatalyst for CO ₂ splitting, CO ₂ → CO + 1/2 O ₂, in a two-compartment electrochemical cell.
ISSN:	0027-8424 1091-6490
DOI:	10.1073/pnas.1203122109