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Electrocatalytic hydrogen evolution by an iron complex containing a nitro-functionalized polypyridyl ligand
Hartley, Carolyn L. DiRisio, Ryan J. Chang, Trevor Y. Zhang, Wanji McNamara, William R.
Hartley, Carolyn L.
DiRisio, Ryan J.
Chang, Trevor Y.
Zhang, Wanji
McNamara, William R.
Abstract
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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2016-01-01
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electrocatalytic.pdf
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Chemistry
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https://doi.org/10.1016/j.poly.2015.11.023