Cover Picture: Electrocatalytic Reduction of Nitrate on a Pt Electrode Modified by p-Block Metal Adatoms in Acid Solution (ChemCatChem 7/2013)

Authors

  • Jian Yang,

    1. Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden (The Netherlands), Fax: (+31) 071-527-4451
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  • Dr. Federico Calle-Vallejo,

    1. Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden (The Netherlands), Fax: (+31) 071-527-4451
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  • Dr. Matteo Duca,

    1. Université Paris Diderot, Sorbonne Paris Cité, Laboratoire d'Electrochimie Moléculaire, Unité Mixte de Recherche Université-CNRS no. 7591, Bâtiment Lavoisier, 15 Rue Jean de Baïf, 75205 Paris Cedex 13 (France)
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  • Prof. Marc T. M. Koper

    Corresponding author
    1. Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden (The Netherlands), Fax: (+31) 071-527-4451
    • Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden (The Netherlands), Fax: (+31) 071-527-4451

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Abstract

original image

Tin soldiers The cover picture shows the interaction of nitrate with a tin-covered platinum surface in an aqueous electrolyte. In their Full Paper on p. 1773 ff., J. Yang et al. study a wide range of promoters for the electrocatalytic reduction of nitrate, a reaction of importance in industry and the environmental remediation of nitrate-laden waste water. Of all the p-block elements, tin outperforms as the most active promoter. First-principles DFT calculations suggest that the hydroxylated surface-adsorbed tin atoms promote nitrate reduction most efficiently by enhancing the bonding of nitrate to the platinum–tin surface.

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