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Issue 40, 2020
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Hybrid-atom-doped NiMoO4 nanotubes for oxygen evolution reaction

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Abstract

We fabricated hierarchically porous, hybrid-metal-atom-doped (Co, Fe and Mn) NiMoO4 nanotubes through room-temperature metal atom incorporation and subsequent thermal treatment under an air atmosphere. The incorporation of hybrid metal atoms significantly improved the oxygen evolution reaction (OER) activity of the nanotubes. In general, the Fe-NiMoO4 nanotubes exhibited much better electrocatalytic activity for the OER than single-phase NiMoO4 nanotubes and most other catalysts. To drive a current density of 10 mA cm−2, the Fe-NiMoO4 catalyst only required an overpotential of 217 mV, which is comparable to the integrated performance of commercial IrO2. Furthermore, the Fe-NiMoO4 catalyst showed a stable performance during CV sweeps and long-term tests. The superior activity and long-term stability demonstrate that the hierarchical Fe-NiMoO4 nanotube catalyst has promising potential for applications in large-scale water splitting.

Graphical abstract: Hybrid-atom-doped NiMoO4 nanotubes for oxygen evolution reaction

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Supplementary files

Article information


Submitted
07 May 2020
Accepted
23 Aug 2020
First published
24 Sep 2020

New J. Chem., 2020,44, 17477-17482
Article type
Paper

Hybrid-atom-doped NiMoO4 nanotubes for oxygen evolution reaction

Z. Yin, S. Zhang, W. Chen, M. Xinzhi, Y. Zhou, Z. Zhang, X. Wang and J. Li, New J. Chem., 2020, 44, 17477
DOI: 10.1039/D0NJ02305A

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