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Issue 109, 2016, Issue in Progress
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One-step synthesis of nickel phosphide nanowire array supported on nickel foam with enhanced electrocatalytic water splitting performance

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Abstract

The design and facile synthesis of noble metal-free efficient catalysts to accelerate the sluggish kinetics of the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is still a big challenge for electrolytic water splitting. Herein, we present a facile one-step approach for constructing a self-supported nickel phosphide nanowire array/Ni foam electrode (Ni–P NA/NF) by direct phosphorization treatment of commercial Ni foam at low temperature according to a vapor-solid growth mechanism. As a three-dimensional bifunctional water splitting catalyst, the Ni–P NA/NF exhibits outstanding electrocatalytic activity with a low cell voltage of 1.69 V to drive current density of 10 mA cm−2. In addition, it maintains its high catalytic activity for at least 20 h in alkaline media. The presented synthesis method opens up exciting new avenues to explore the design of self-supported three-dimensional electrodes made of transition metal phosphides, ranging from water splitting to other applications.

Graphical abstract: One-step synthesis of nickel phosphide nanowire array supported on nickel foam with enhanced electrocatalytic water splitting performance

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Publication details

The article was received on 17 Aug 2016, accepted on 18 Oct 2016 and first published on 19 Oct 2016


Article type: Paper
DOI: 10.1039/C6RA20737E
Citation: RSC Adv., 2016,6, 107859-107864
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    One-step synthesis of nickel phosphide nanowire array supported on nickel foam with enhanced electrocatalytic water splitting performance

    J. Xiao, Q. Lv, Y. Zhang, Z. Zhang and S. Wang, RSC Adv., 2016, 6, 107859
    DOI: 10.1039/C6RA20737E

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