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Nano Research 2016,9 (9) : 2606-2615 https://doi.org/10.1007/s12274-016-1147-1
Research Article | Issue | Published: 17 June 2016
Nitrogen-doped graphene microtubes with opened inner voids: Highly efficient metal-free electrocatalysts for alkaline hydrogen evolution reaction
Show Author's Information Bing Zhang,  Hong-Hui Wang,  Hui Su,  Li-Bing Lv,  Tian-Jian Zhao,  Jie-Min Ge,  Xiao Wei,  Kai-Xue Wang,  Xin-Hao Li( ),  Jie-Sheng Chen( )
School of Chemistry and Chemical EngineeringShanghai Jiao Tong UniversityShanghai200240China
Keywords:
graphene, microtubes, green chemistry, hydrogen evolution reaction, water splitting
Cite this article:
B. Zhang, H.-H. Wang, H. Su, et al. Nitrogen-doped graphene microtubes with opened inner voids: Highly efficient metal-free electrocatalysts for alkaline hydrogen evolution reaction. Nano Research. 2016, 9 (9) : 2606-2615. https://doi.org/10.1007/s12274-016-1147-1.
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Abstract Full text Electronic supplementary material About this article

A facile method was developed to fabricate nitrogen-doped graphene microtubes (N-GMT) with ultra-thin walls of 1–4 nm and large inner voids of 1–2 μm. The successful introduction of nitrogen dopants afforded N-GMT more active sites for significantly enhanced hydrogen evolution reaction (HER) activity, achieving a current density of 10 mA·cm–2 at overpotentials of 0.464 and 0.426 V vs. RHE in 0.1 and 6 M KOH solution, respectively. This HER performance surpassed that of the best metal-free catalyst reported in basic solution, further illustrating the great potential of N-GMT as an efficient HER catalyst for real applications in water splitting and chlor-alkali processes.

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Publication history

Received: 28 March 2016
Revised: 09 May 2016
Accepted: 12 May 2016
Published: 17 June 2016
Issue date: September 2016

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© Tsinghua University Press and Springer‐Verlag Berlin Heidelberg 2016

Acknowledgements

Acknowledgements

This work was financially supported by National Basic Research Program of China (No. 2013CB934102), the National Natural Science Foundation of China (Nos. 21331004 and 21301116), SJTU-UM joint grant and Shanghai Eastern Scholar Program.

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