Electrocatalytic generation of H2 from neutral water in acetonitrile using manganese polypyridyl complexes with ligand assistance

Gyandshwar Kumar Rao; Mohammad Parsa Jamshidi; Jeremy I. G. Dawkins; Wendy Pell; Ilia Korobkov; Darrin Richeson

doi:10.1039/C7DT01039G

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Electrocatalytic generation of H₂ from neutral water in acetonitrile using manganese polypyridyl complexes with ligand assistance†

Gyandshwar Kumar Rao,^a Mohammad Parsa Jamshidi,^a Jeremy I. G. Dawkins,^a Wendy Pell,^a Ilia Korobkov^a and Darrin Richeson

*^a

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* Corresponding authors

^a Department of Chemistry and Biomolecular Sciences and the Center for Catalysis Research and Innovation, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
E-mail: darrin@uottawa.ca

Abstract

A Mn(I) tris(2-pyridylmethyl)amine complex fac-[Mn(κ³-tpa) (CO)₃]⁺OTf⁻ carries out electrocatalytic hydrogen evolution from neutral water in acetonitrile. Bulk electrocatalytic studies showed that the catalyst functions with a moderate Faradaic efficiency and turn over frequency. DFT computations support the role of the tpa ligand as a shuttle to transfer of protons to the metal center.

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Article information

DOI: https://doi.org/10.1039/C7DT01039G
Article type: Communication
Submitted: 22 Mar 2017
Accepted: 25 Apr 2017
First published: 25 Apr 2017

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Dalton Trans., 2017,46, 6518-6522

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Electrocatalytic generation of H₂ from neutral water in acetonitrile using manganese polypyridyl complexes with ligand assistance

G. K. Rao, M. P. Jamshidi, J. I. G. Dawkins, W. Pell, I. Korobkov and D. Richeson, Dalton Trans., 2017, 46, 6518 DOI: 10.1039/C7DT01039G

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