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Issue 22, 2014
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A phosphoramidite-based [FeFe]H2ase functional mimic displaying fast electrocatalytic proton reduction

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Abstract

A phosphoramidite modified [FeFe]H2ase mimic is studied as a model for photodriven production of H2. On cathodic activation, the pyridyl–phosphoramidite complex exhibits a strongly enhanced rate of proton reduction over the previously reported pyridylphosphine model at the same overpotential. Analysis of the cyclic voltammograms shows an apparent H2 evolution rate strongly influenced by the presence of both side-bound pyridyl and phosphorous-bound dimethylamino moieties at the phosphoramidite ligands. This difference is ascribed to the basic amines acting as proton relays.

Graphical abstract: A phosphoramidite-based [FeFe]H2ase functional mimic displaying fast electrocatalytic proton reduction

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Supplementary files

Article information


Submitted
10 Dec 2013
Accepted
03 Apr 2014
First published
08 Apr 2014

This article is Open Access

Dalton Trans., 2014,43, 8363-8367
Article type
Paper
Author version available

A phosphoramidite-based [FeFe]H2ase functional mimic displaying fast electrocatalytic proton reduction

S. Derossi, R. Becker, P. Li, F. Hartl and J. N. H. Reek, Dalton Trans., 2014, 43, 8363
DOI: 10.1039/C3DT53471E

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