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Nitrogen-doped truncated carbon nanotubes inserted into nitrogen-doped graphene nanosheets with a sandwich structure: a highly efficient metal-free catalyst for the HER

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Abstract

A new promising metal-free catalyst (N-TCNT@NGS), with a sandwich structure of 1-dimensional nitrogen-doped truncated carbon nanotubes inserted between 2-dimensional nitrogen-doped graphene nanosheets, was synthesized by a facile and green hydrothermal method. Due to the unique structure, multipath charge and mass transport, N-TCNT@NGS exhibits incredible electrocatalytic ability and robust durability for the hydrogen evolution reaction (HER) (Tafel slope: 50 mV dec−1, onset overpotential: −16 mV, operating overpotential at 10 mA cm−2: −62 mV).

Graphical abstract: Nitrogen-doped truncated carbon nanotubes inserted into nitrogen-doped graphene nanosheets with a sandwich structure: a highly efficient metal-free catalyst for the HER

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Publication details

The article was received on 30 Jan 2017, accepted on 13 Mar 2017, published on 13 Mar 2017 and first published online on 13 Mar 2017


Article type: Communication
DOI: 10.1039/C7TA00961E
Citation: J. Mater. Chem. A, 2017, Advance Article
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    Nitrogen-doped truncated carbon nanotubes inserted into nitrogen-doped graphene nanosheets with a sandwich structure: a highly efficient metal-free catalyst for the HER

    S. Li, Z. Yu, Y. Yang, Y. Liu, H. Zou, H. Yang, J. Jin and J. Ma, J. Mater. Chem. A, 2017, Advance Article , DOI: 10.1039/C7TA00961E

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