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MoS2–MoP heterostructured nanosheets on polymer-derived carbon as an electrocatalyst for hydrogen evolution reaction

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Abstract

Electrocatalytic production of hydrogen from water is a promising and sustainable strategy. In this study, a simple and general strategy is demonstrated for the synthesis of a polymer-derived, heteroatom-doped carbon supporting MoS2–MoP nanosheets (MoS2–MoP/C), which acts as an efficient hydrogen evolution reaction (HER) catalyst. The unique composition of the MoS2–MoP/C enables catalysis of HER, demonstrating a Tafel slope of 58 mV dec−1 and overpotentials of 102 mV and 130 mV, and is therefore able to deliver current densities of 10 mA cm−2 and 20 mA cm−2, respectively. Moreover, the MoS2–MoP/C nanosheets demonstrate superior long-term durability in acid electrolytes and the developed strategy is easily adapted to large-scale production of efficient electrocatalysts. This excellent HER performance is likely attributed to electronic interactions between P and S, a relatively-high specific surface area of the electrocatalyst (162 m2 g−1), the characteristic nanosheet morphology, and high electrical conductivity, which promotes rapid charge transport and collection.

Graphical abstract: MoS2–MoP heterostructured nanosheets on polymer-derived carbon as an electrocatalyst for hydrogen evolution reaction

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Publication details

The article was received on 23 Oct 2017, accepted on 29 Nov 2017 and first published on 30 Nov 2017


Article type: Paper
DOI: 10.1039/C7TA09307A
Citation: J. Mater. Chem. A, 2018, Advance Article
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    MoS2–MoP heterostructured nanosheets on polymer-derived carbon as an electrocatalyst for hydrogen evolution reaction

    Z. Wu, J. Wang, K. Xia, W. Lei, X. Liu and D. Wang, J. Mater. Chem. A, 2018, Advance Article , DOI: 10.1039/C7TA09307A

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