Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 6, Issue 5, Pages 2100-2106Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ta09619d
Keywords
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Funding
- Development Project of Science and Technology of Jilin Province [20170101197JC]
- National Natural Science Foundation of China [21405152]
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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.
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