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Polymers 2019, 11(1), 110; https://doi.org/10.3390/polym11010110

Copper Metallopolymer Catalyst for the Electrocatalytic Hydrogen Evolution Reaction (HER)

1
Institute for NanoScale Science & Technology, Flinders University, Bedford Park, SA 5042, Australia
2
Department of Chemistry, University College London, London WC1H 0AJ, UK
3
Future Industries Institute, University of South Australia Mawson Lakes Campus, Mawson Lakes, SA 595, Australia
4
School of Mathematical and Physical Sciences, University of Newcastle, Callaghan, NSW 2308, Australia
*
Authors to whom correspondence should be addressed.
Received: 14 November 2018 / Revised: 21 December 2018 / Accepted: 5 January 2019 / Published: 10 January 2019
(This article belongs to the Special Issue Nanotechnology of Polymers and Biomaterials)
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Abstract

Conjugated polymers with stabilizing coordination units for single-site catalytic centers are excellent candidates to minimize the use of expensive noble metal electrode materials. In this study, conjugated metallopolymer, POS[Cu], was synthesized and fully characterized by means of spectroscopical, electrochemical, and photophysical methods. The copper metallopolymer was found to be highly active for the electrocatalytic hydrogen generation (HER) in an aqueous solution at pH 7.4 and overpotentials at 300 mV vs. reversible hydrogen electrode (RHE). Compared to the platinum electrode, the obtained overpotential is only 100 mV higher. The photoelectrochemical tests revealed that the complexation of the conjugated polymer POS turned its intrinsically electron-accepting (p-type) properties into an electron-donor (n-type) with photocurrent responses ten times higher than the organic photoelectrode. View Full-Text
Keywords: copper; metallopolymer; photocurrent; electrocatalysts; hydrogen evolution reaction; p- and n-type photoresponse copper; metallopolymer; photocurrent; electrocatalysts; hydrogen evolution reaction; p- and n-type photoresponse
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Elmas, S.; Macdonald, T.J.; Skinner, W.; Andersson, M.; Nann, T. Copper Metallopolymer Catalyst for the Electrocatalytic Hydrogen Evolution Reaction (HER). Polymers 2019, 11, 110.

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