One-step synthesis of boron and nitrogen-dual-self-doped graphene sheets as non-metal catalysts for oxygen reduction reaction

Jinliang Zhu; Chunyong He; Yunyong Li; Shuai Kang; Pei Kang Shen

doi:10.1039/C3TA13318D

One-step synthesis of boron and nitrogen-dual-self-doped graphene sheets as non-metal catalysts for oxygen reduction reaction†

Jinliang Zhu,^a Chunyong He,^a Yunyong Li,^a Shuai Kang^a and Pei Kang Shen*^a

* Corresponding authors

^a The State Key Laboratory of Optoelectronic Materials and Technologies, and Guangdong Province Key Laboratory of Low-carbon Chemistry & Energy Conservation, School of Physics and Engineering, Sun Yat-sen University, Guangzhou, PR China
E-mail: stsspk@mail.sysu.edu.cn
Fax: +8620-84036736
Tel: +8620-84036736

Abstract

A facile method has been used to synthesize boron and nitrogen-dual-self-doped graphene sheets (BNGs). The procedures include a borane-tert-butylamine complex as the precursor to impregnate with a certain amount of cobalt ions, then thermolysis in a tube furnace. The synthesized boron and nitrogen-dual-self-doped graphene sheets are systematically characterized by XRD, Raman spectra, XPS, SEM, EDS, TEM and EELS. Analysis results show that nitrogen and boron atoms are successfully self-doped into the graphene sheets. The BNG-1000 indicates the nitrogen and boron doping levels of 7.72 at.% and 7.18 at.%, respectively. The BNGs show a remarkable activity and high stability for the oxygen reduction reaction (ORR). An onset potential of 0.95 V which is close to that of Pt/C and a well-defined limiting current plateau for the ORR is observed in alkaline media. It has been evidenced that the catalyst is very stable and without degradation after 5000 cycles.

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DOI: https://doi.org/10.1039/C3TA13318D
Article type: Paper
Submitted: 21 Aug 2013
Accepted: 03 Oct 2013
First published: 28 Oct 2013

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J. Mater. Chem. A, 2013,1, 14700-14705

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One-step synthesis of boron and nitrogen-dual-self-doped graphene sheets as non-metal catalysts for oxygen reduction reaction

J. Zhu, C. He, Y. Li, S. Kang and P. K. Shen, J. Mater. Chem. A, 2013, 1, 14700 DOI: 10.1039/C3TA13318D

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Journal of Materials Chemistry A

One-step synthesis of boron and nitrogen-dual-self-doped graphene sheets as non-metal catalysts for oxygen reduction reaction†

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One-step synthesis of boron and nitrogen-dual-self-doped graphene sheets as non-metal catalysts for oxygen reduction reaction

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