Issue 53, 2017

H2 evolution by a cobalt selenolate electrocatalyst and related mechanistic studies

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

Supplementary files

Article information

Article type
Communication
Submitted
31 Marts 2017
Accepted
27 Apr. 2017
First published
27 Apr. 2017

Chem. Commun., 2017,53, 7306-7309

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, 53, 7306 DOI: 10.1039/C7CC02473H

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