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Issue 34, 2019
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Efficient electrohydrogenation of N2 to NH3 by oxidized carbon nanotubes under ambient conditions

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Abstract

It is of great importance to search for efficient and stable metal-free catalysts toward electrochemical N2-to-NH3 conversion. In this communication, a chemically oxidized carbon nanotube material (O-CNT) is verified as an active electrocatalyst for the N2 reduction reaction under ambient conditions. In 0.1 M LiClO4, O-CNT achieves a large NH3 yield of 32.33 μg h−1 mgcat.−1 and a high faradaic efficiency of 12.50% at −0.4 V vs. the reversible hydrogen electrode. It also demonstrates superior stability. Density functional theory calculations suggest that C–O groups play a key role in the electrochemical N2 fixation.

Graphical abstract: Efficient electrohydrogenation of N2 to NH3 by oxidized carbon nanotubes under ambient conditions

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Publication details

The article was received on 26 Jan 2019, accepted on 01 Apr 2019 and first published on 01 Apr 2019


Article type: Communication
DOI: 10.1039/C9CC00726A
Citation: Chem. Commun., 2019,55, 4997-5000

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    Efficient electrohydrogenation of N2 to NH3 by oxidized carbon nanotubes under ambient conditions

    J. Zhao, B. Wang, Q. Zhou, H. Wang, X. Li, H. Chen, Q. Wei, D. Wu, Y. Luo, J. You, F. (. Gong and X. Sun, Chem. Commun., 2019, 55, 4997
    DOI: 10.1039/C9CC00726A

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