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Issue 33, 2018
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Covalent attachment of [Ni(alkynyl-cyclam)]2+ catalysts to glassy carbon electrodes

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Abstract

Surface modification of glassy carbon electrodes (GCEs) with molecular electrocatalysts is an important step towards developing more efficient heterogeneous CO2 reduction materials. Here, we report direct anodic electrografting of [Ni(alkynyl-cyclam)]2+ catalysts to the surface of GCEs in one simple step using inexpensive earth-abundant chemicals. When modified, these electrodes show reversible electrochemistry in organic solvents with zero peak-to-peak separations (ΔE = 0) and non-diffusive I (V) profiles that are typical for heterogeneous redox materials. CPE of these electrodes showed enhanced formation of H2 gas relative to CO compared to homogeneous catalysts.

Graphical abstract: Covalent attachment of [Ni(alkynyl-cyclam)]2+ catalysts to glassy carbon electrodes

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Supplementary files

Article information


Submitted
27 Jan 2018
Accepted
27 Mar 2018
First published
27 Mar 2018

Chem. Commun., 2018,54, 4116-4119
Article type
Communication
Author version available

Covalent attachment of [Ni(alkynyl-cyclam)]2+ catalysts to glassy carbon electrodes

A. Zhanaidarova, C. E. Moore, M. Gembicky and C. P. Kubiak, Chem. Commun., 2018, 54, 4116
DOI: 10.1039/C8CC00718G

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