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H2 evolution by a cobalt selenolate electrocatalyst and related mechanistic studies

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Abstract

[Co(bds)2][nBu4N] (where bds = 1,2-benzenediselenolate) was identified as an electrocatalyst for the hydrogen evolution reaction. Mechanistic studies indicated that a black precipitate, which formed upon treating [Co(bds)2] with acid, as well as the one-electron reduced species, [Co(bds)2]2−, were viable catalytic intermediates. We propose two kinetically-competent pathways for H2 evolution: EC and CE (E = electrochemical, C = chemical step).

Graphical abstract: H2 evolution by a cobalt selenolate electrocatalyst and related mechanistic studies

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Publication details

The article was received on 31 Mar 2017, accepted on 27 Apr 2017 and first published on 27 Apr 2017


Article type: Communication
DOI: 10.1039/C7CC02473H
Citation: Chem. Commun., 2017, Advance Article
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    H2 evolution by a cobalt selenolate electrocatalyst and related mechanistic studies

    C. A. Downes, J. W. Yoo, N. M. Orchanian, R. Haiges and S. C. Marinescu, Chem. Commun., 2017, Advance Article , DOI: 10.1039/C7CC02473H

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