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Controlled Carbon Nitride Growth on Surfaces for Hydrogen Evolution Electrodes

Authors

  • Dr. Menny Shalom,

    Corresponding author
    1. Department of Colloid Chemistry, Max Planck Institute of Colloids and Interfaces, Research Campus Golm, 14424 Potsdam (Germany)
    • Department of Colloid Chemistry, Max Planck Institute of Colloids and Interfaces, Research Campus Golm, 14424 Potsdam (Germany)

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  • Dr. Sixto Gimenez,

    1. Departament de Física, Photovoltaics and Optoelectronic Devices Group, Universitat Jaume I, 12071 Castelló (Spain)
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  • Florian Schipper,

    1. Department of Colloid Chemistry, Max Planck Institute of Colloids and Interfaces, Research Campus Golm, 14424 Potsdam (Germany)
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  • Isaac Herraiz-Cardona,

    1. Departament de Física, Photovoltaics and Optoelectronic Devices Group, Universitat Jaume I, 12071 Castelló (Spain)
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  • Prof. Juan Bisquert,

    1. Departament de Física, Photovoltaics and Optoelectronic Devices Group, Universitat Jaume I, 12071 Castelló (Spain)
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  • Prof. Dr. Markus Antonietti

    1. Department of Colloid Chemistry, Max Planck Institute of Colloids and Interfaces, Research Campus Golm, 14424 Potsdam (Germany)
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  • M.S. thanks “Minerva Fellowship” for financial support and Dr. Laurent Chabanne for fruitful discussions.

Abstract

Efficient and low-cost electrocatalysts for the hydrogen evolution reaction are highly desired for future renewable energy systems. Described herein is the reduction of water to hydrogen using a metal-free carbon nitride electrocatalyst which operates in neutral and alkaline environments. An efficient, easy, and general method for growing ordered carbon nitride on different electrodes was developed. The metal-free catalyst demonstrates low overpotential values, which are comparable to those of non-noble metals, with reasonable current densities. The facile deposition method enables the fabrication of many electronic and photoelectronic devices based on carbon nitride for renewable energy applications.

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