Issue 17, 2014

pH dependence of the electroreduction of nitrate on Rh and Pt polycrystalline electrodes

Abstract

From a study of the electrocatalytic reduction of nitrate on Pt and Rh electrodes over a wide pH range, HNO3 is suggested as the only reducible species in nitrate reduction on Pt, whereas both HNO3 and the nitrate anion are reducible on Rh. Rh is the more active catalyst of the two because it can activate nitrate even if no protons are available in solution. This is an important insight into the development of more effective nitrate reduction catalysts.

Graphical abstract: pH dependence of the electroreduction of nitrate on Rh and Pt polycrystalline electrodes

Supplementary files

Article information

Article type
Communication
Submitted
04 Kax 2013
Accepted
17 Kax 2013
First published
18 Kax 2013

Chem. Commun., 2014,50, 2148-2151

Author version available

pH dependence of the electroreduction of nitrate on Rh and Pt polycrystalline electrodes

J. Yang, P. Sebastian, M. Duca, T. Hoogenboom and M. T. M. Koper, Chem. Commun., 2014, 50, 2148 DOI: 10.1039/C3CC49224A

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