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Forest-like NiCoP@Cu3P supported on copper foam as a bifunctional catalyst for efficient water splitting

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Abstract

The design of cost-efficient earth-abundant catalysts with superior performance for electrochemical water splitting is highly desirable. Herein, we report a simple and effective approach to fabricate a high-performance NiCoP@Cu3P heterostructure on Cu-foam (NiCoP@Cu3P/CF) for the first time, which has synergistic active sites, large electrochemical surface area, small charge-transfer resistance, efficient mass transport and electron transfer for both the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). The optimized NiCoP@Cu3P/CF exhibits a pretty low overpotential of 54 mV at 10 mA cm−2 and a small Tafel slope of 72 mV dec−1 serving as a HER electrocatalyst and also exhibits a low overpotential of 309 mV at 10 mA cm−2 and an extremely small Tafel slope of 42 mV dec−1 serving as an OER electrocatalyst in 1 M KOH.

Graphical abstract: Forest-like NiCoP@Cu3P supported on copper foam as a bifunctional catalyst for efficient water splitting

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Publication details

The article was received on 01 Nov 2017, accepted on 20 Dec 2017 and first published on 21 Dec 2017


Article type: Paper
DOI: 10.1039/C7TA09619D
Citation: J. Mater. Chem. A, 2018, Advance Article
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    Forest-like NiCoP@Cu3P supported on copper foam as a bifunctional catalyst for efficient water splitting

    X. Ma, Y. Chang, Z. Zhang and J. Tang, J. Mater. Chem. A, 2018, Advance Article , DOI: 10.1039/C7TA09619D

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