期刊
POLYHEDRON
卷 114, 期 -, 页码 133-137出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2015.11.023
关键词
Iron; Electrocatalysis; Hydrogen generation; Artificial photosynthesis; Coordination chemistry
资金
- Research Corporation Cottrell College Science Award
- NSF [CHE 0650456]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1337295] Funding Source: National Science Foundation
Iron polypyridyl complexes have recently been reported to electrocatalytically reduce protons to hydrogen gas at -1.57 V versus Fc(+)/Fc. A new iron catalyst with a nitro-functionalized polypyridyl ligand has been synthesized and found to be active for proton reduction. Interestingly, catalysis occurs at -1.18 V versus Fc(+)/Fc for the nitro-functionalized complex, resulting in an overpotential of 300 mV. Additionally, the complex is active with a turnover frequency of 550 s(-1). Catalysis is also observed in the presence of water with a 12% enhancement in activity. (C) 2015 Elsevier Ltd. All rights reserved.
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