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Issue 4, 2020
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Electrode-adsorption activates trans-[Cr(cyclam)Cl2]+ for electrocatalytic nitrate reduction

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Abstract

Cyclic voltammetry reveals that aqueous trans-[Cr(cyclam)Cl2]+ is reversibly reduced at a mercury electrode, with a small prewave suggesting an adsorptive interaction between the complex and electrode surface. A catalytic current is observed in the presence of excess nitrate, with the onset potential for catalysis at the prewave. Nitrate is electrocatalytically reduced to nitrite, with preliminary mechanistic investigations implicating a chromium oxo intermediate.

Graphical abstract: Electrode-adsorption activates trans-[Cr(cyclam)Cl2]+ for electrocatalytic nitrate reduction

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Submitted
04 Nov 2019
Accepted
05 Dec 2019
First published
05 Dec 2019

Chem. Commun., 2020,56, 603-606
Article type
Communication
Author version available

Electrode-adsorption activates trans-[Cr(cyclam)Cl2]+ for electrocatalytic nitrate reduction

S. E. Braley, D. C. Ashley, E. Jakubikova and J. M. Smith, Chem. Commun., 2020, 56, 603 DOI: 10.1039/C9CC08550E

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