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Tuning of electron transfer in diiron azo-bridged complexes relevant to hydrogenases

Abstract : The possibility of using hydrogenase models based on Fe2(μ-NRN) complexes was investigated. The use of benzo-[c]-cinnoline (BC = N2C12H8) bridge allows for an unprecedented control of the electron-transfer process in diiron complexes. We were able to modify the potential gap between the two one-electron reduction steps of [Fe2(BC)(CO)6] by changing the solvent properties. The catalyst exhibits modest catalytic activity for proton reduction. However, there is a considerable opportunity for improvement considering the wide range of azo-bridged diiron described in the literature.
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https://hal.univ-brest.fr/hal-01577363
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Submitted on : Friday, August 25, 2017 - 3:20:10 PM
Last modification on : Wednesday, September 11, 2019 - 2:14:07 PM

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Pierre-Yves Orain, Jean-François Capon, Frederic Gloaguen, Philippe Schollhammer, Jean Talarmin. Tuning of electron transfer in diiron azo-bridged complexes relevant to hydrogenases. International Journal of Hydrogen Energy, Elsevier, 2010, 35 (19), pp.10797 - 10802. ⟨10.1016/j.ijhydene.2010.02.111⟩. ⟨hal-01577363⟩

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