An Fe(TCNQ)2 nanowire array on Fe foil: an efficient non-noble-metal catalyst for the oxygen evolution reaction in alkaline media

Maowen Xie; Xiaoli Xiong; Lin Yang; Xifeng Shi; Abdullah M. Asiri; Xuping Sun

doi:10.1039/C7CC09105B

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An Fe(TCNQ)₂ nanowire array on Fe foil: an efficient non-noble-metal catalyst for the oxygen evolution reaction in alkaline media†

Maowen Xie,^ab Xiaoli Xiong,*^a Lin Yang,^b Xifeng Shi,^c Abdullah M. Asiri

^d and Xuping Sun

*^b

Author affiliations

* Corresponding authors

^a College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, Sichuan, China
E-mail: xiongxiaoli2000@163.com

^b Institute of Fundamental and Frontier Science, University of Electronic Science and Technology of China, Chengdu 610054, China
E-mail: xpsun@uestc.edu.cn

^c College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, Shandong, China

^d Chemistry Department, Faculty of Science & Center of Excellence for Advanced Materials Research, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia

Abstract

It is highly desirable to develop efficient and durable oxygen evolution reaction (OER) electrocatalysts. Herein, we report the in situ development of an Fe-(tetracyanoquinodimethane)₂ nanowire array on Fe foil (Fe(TCNQ)₂/Fe) via a solution immersion method. As a non-noble-metal OER electrocatalyst, such Fe(TCNQ)₂/Fe needs an overpotential of only 340 mV to drive a geometrical catalytic current density of 10 mA cm⁻² in 1.0 M KOH. Notably, it also shows strong long-term electrochemical durability capable of maintaining its catalytic activity for at least 110 h.

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Article information

DOI: https://doi.org/10.1039/C7CC09105B
Article type: Communication
Submitted: 27 Nov 2017
Accepted: 08 Feb 2018
First published: 08 Feb 2018

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Chem. Commun., 2018,54, 2300-2303

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An Fe(TCNQ)₂ nanowire array on Fe foil: an efficient non-noble-metal catalyst for the oxygen evolution reaction in alkaline media

M. Xie, X. Xiong, L. Yang, X. Shi, A. M. Asiri and X. Sun, Chem. Commun., 2018, 54, 2300 DOI: 10.1039/C7CC09105B

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Chemical Communications