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Issue 16, 2019
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Cu3N nanowire array as a high-efficiency and durable electrocatalyst for oxygen evolution reaction

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Abstract

Developing non-precious oxygen evolution reaction (OER) electrocatalysts with high performance and long-term stability has drawn considerable research interest in recent years. In this communication, we report a self-supported Cu3N nanowire array on copper foam (Cu3N NA/CF) which is derived from a Cu(OH)2 nanowire array on copper foam (Cu(OH)2 NA/CF) through a nitridation process. Intriguingly, this 3D electrode exhibits marvellous OER activity with the need of an overpotential of only 298 mV at a current density of 20 mA cm−2 in 1.0 M KOH. In addition, the obtained electrocatalyst is capable of maintaining its high performance for at least 25 h under a static current density of 20 mA cm−2.

Graphical abstract: Cu3N nanowire array as a high-efficiency and durable electrocatalyst for oxygen evolution reaction

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Supplementary files

Article information


Submitted
26 Jan 2019
Accepted
11 Mar 2019
First published
11 Mar 2019

Dalton Trans., 2019,48, 5131-5134
Article type
Communication

Cu3N nanowire array as a high-efficiency and durable electrocatalyst for oxygen evolution reaction

H. Guo, L. Liu, Q. Wu, L. Li and X. Tai, Dalton Trans., 2019, 48, 5131
DOI: 10.1039/C9DT00362B

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