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Issue 2, 2015
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Visible-light sensitization of boron-doped nanocrystalline diamond through non-covalent surface modification

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Abstract

A novel simple and versatile synthetic strategy is developed for the surface modification of boron-doped diamond. In a two-step procedure, polyethyleneimine is adsorbed on the hydrogenated diamond surface and subsequently modified with a model light-harvesting donor-π-bridge-acceptor molecule (coded P1). The sensitized diamond exhibits stable cathodic photocurrents under visible-light illumination in aqueous electrolyte solution with dimethylviologen serving as an electron mediator. In spite of the simplicity of the surface sensitization protocol, the photoelectrochemical performance is similar to or better than that of other sensitized diamond electrodes which were reported in previous studies (2008–2014).

Graphical abstract: Visible-light sensitization of boron-doped nanocrystalline diamond through non-covalent surface modification

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Publication details

The article was received on 15 Sep 2014, accepted on 30 Oct 2014 and first published on 05 Nov 2014


Article type: Paper
DOI: 10.1039/C4CP04148H
Citation: Phys. Chem. Chem. Phys., 2015,17, 1165-1172
  • Open access: Creative Commons BY-NC license
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    Visible-light sensitization of boron-doped nanocrystalline diamond through non-covalent surface modification

    H. Krysova, Z. Vlckova-Zivcova, J. Barton, V. Petrak, M. Nesladek, P. Cigler and L. Kavan, Phys. Chem. Chem. Phys., 2015, 17, 1165
    DOI: 10.1039/C4CP04148H

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