Issue 7, 2013
From the journal:

Chemical Science

Nitrogen-doped carbon nanotubes derived from Zn–Fe-ZIF nanospheres and their application as efficient oxygen reduction electrocatalysts with in situ generated iron species†

Panpan Su,‡ab   Hui Xiao,‡bc   Jiao Zhao,a   Yi Yao,ab   Zhigang Shao,c   Can Li*a  and  Qihua Yang*a  

* Corresponding authors

a State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
E-mail: canli@dicp.ac.cn, yangqh@dicp.ac.cn
Web: http://www.canli.dicp.ac.cn, http://www.hmm.dicp.ac.cn
Fax: +86-411-84694447
Tel: +86-411-84379070

b Graduate School of the Chinese Academy of Sciences, Beijing 100039, China

c Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China

Abstract

Nitrogen-doped carbon nanotubes (NCNTs) have been successfully synthesized via the direct solid pyrolysis of Zn–Fe-ZIF and the N content, N doped state, diameter and formation temperature of the NCNTs can be finely tuned by mixing Zn–Fe-ZIF with proper amounts of dicyandiamide (DCDA). DCDA serves as the extra nitrogen supplier and favors the formation of NCNTs at relatively low temperature due to its inducing effect for graphitic structure. The synthesized NCNTs, with iron species and high amounts of graphitic N, exhibit higher catalytic activity than commercial Pt/C as oxygen reduction electrocatalysts in alkaline solution.

Graphical abstract: Nitrogen-doped carbon nanotubes derived from Zn–Fe-ZIF nanospheres and their application as efficient oxygen reduction electrocatalysts with in situ generated iron species

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Supplementary files

Article information

DOI
https://doi.org/10.1039/C3SC51052B
Article type
Edge Article
Submitted
20 Apr 2013
Accepted
10 May 2013
First published
10 May 2013

Chem. Sci., 2013,4, 2941-2946

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Nitrogen-doped carbon nanotubes derived from Zn–Fe-ZIF nanospheres and their application as efficient oxygen reduction electrocatalysts with in situ generated iron species

P. Su, H. Xiao, J. Zhao, Y. Yao, Z. Shao, C. Li and Q. Yang, Chem. Sci., 2013, 4, 2941 DOI: 10.1039/C3SC51052B

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