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Issue 41, 2017
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3D self-assembly of ultrafine molybdenum carbide confined in N-doped carbon nanosheets for efficient hydrogen production

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Abstract

Electrochemical water splitting has been intensively pursued as a promising approach to produce clean and sustainable hydrogen fuel. However, the lack of low-cost and high-performance electrocatalysts for the hydrogen evolution reaction (HER) hinders the large-scale application. Herein, we have rationally designed and synthesized 3D self-assembly architectures assembled from ultrafine MoC nanoparticles (0D) uniformly embedded within N-doped carbon nanosheets (2D) for the HER via a simple protocol. The well-organized 3D nanostructures are composed of very small MoC nanocrystallites (<2 nm) and free-stretching conductive carbon nanosheets with high specific surface areas and abundant mesopores, which can expose more active sites and facilitate electron/ion transport pathways. Based on the merits of the composition and configuration, the resultant hierarchical 3D self-assembly architectures exhibit remarkable electrocatalytic performance and stability for the HER.

Graphical abstract: 3D self-assembly of ultrafine molybdenum carbide confined in N-doped carbon nanosheets for efficient hydrogen production

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Publication details

The article was received on 27 Jul 2017, accepted on 11 Sep 2017 and first published on 13 Sep 2017


Article type: Paper
DOI: 10.1039/C7NR05500E
Citation: Nanoscale, 2017,9, 15895-15900
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    3D self-assembly of ultrafine molybdenum carbide confined in N-doped carbon nanosheets for efficient hydrogen production

    H. Wang, X. Xu, B. Ni, H. Li, W. Bian and X. Wang, Nanoscale, 2017, 9, 15895
    DOI: 10.1039/C7NR05500E

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