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Self-template synthesis of hierarchical CoMoS3 nanotubes constructed of ultrathin nanosheets for robust water electrolysis

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Abstract

Exploration of pH-universal and durable catalysts with specific structure and high performance is desirable but challenging for electrochemical water splitting. Aiming at this goal, hierarchical CoMoS3 nanotubes constructed of ultrathin nanosheet subunits are prepared via a self-sacrifice template method. The conversion from CoMoO4 nanorods to hierarchical MoCoS3 nanotubes is successfully realized through a facile solvothermal process. The obtained sample simultaneously possesses advanced structural superiority and synergism of ternary Co–Mo–S. Endowed with these advantages, MoCoS3 can serve as a pH-universal and high-performance electrocatalyst for hydrogen evolution, delivering low onset overpotential, small overpotential required to generate current density of 10 mA cm−2, and good stability. Moreover, it exhibits excellent catalytic performance in the electrochemical oxygen evolution reaction, making it a promising dual-functional catalyst for water electrolysis.

Graphical abstract: Self-template synthesis of hierarchical CoMoS3 nanotubes constructed of ultrathin nanosheets for robust water electrolysis

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Publication details

The article was received on 30 Mar 2017, accepted on 08 May 2017 and first published on 08 May 2017


Article type: Paper
DOI: 10.1039/C7TA02768K
Citation: J. Mater. Chem. A, 2017, Advance Article
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    Self-template synthesis of hierarchical CoMoS3 nanotubes constructed of ultrathin nanosheets for robust water electrolysis

    J. Guo, X. Zhang, Y. Sun, L. Tang and X. Zhang, J. Mater. Chem. A, 2017, Advance Article , DOI: 10.1039/C7TA02768K

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