One-pot synthesis of nitrogen and sulfur co-doped graphene as efficient metal-free electrocatalysts for the oxygen reduction reaction

Xin Wang; Jie Wang; Deli Wang; Shuo Dou; Zhaoling Ma; Jianghong Wu; Li Tao; Anli Shen; Canbin Ouyang; Qiuhong Liu; Shuangyin Wang

doi:10.1039/C4CC00440J

One-pot synthesis of nitrogen and sulfur co-doped graphene as efficient metal-free electrocatalysts for the oxygen reduction reaction†

Xin Wang,^a Jie Wang,^b Deli Wang,^b Shuo Dou,^a Zhaoling Ma,^a Jianghong Wu,^a Li Tao,^a Anli Shen,^a Canbin Ouyang,^a Qiuhong Liu^a and Shuangyin Wang*^ac

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^a State Key Laboratory of Chem/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, P. R. China
E-mail: shuangyinwang@hnu.edu.cn

^b College of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, P. R. China

^c School of Physics and Astronomy, The University of Manchester, Great Manchester, UK

Abstract

Novel N, S co-doped graphene (NSG) was prepared by annealing graphene oxide with thiourea as the single N and S precursor. The NSG electrodes, as efficient metal-free electrocatalysts, show a direct four-electron reaction pathway, high onset potential, high current density and high stability for the oxygen reduction reaction.

Chemical Communications

One-pot synthesis of nitrogen and sulfur co-doped graphene as efficient metal-free electrocatalysts for the oxygen reduction reaction†

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One-pot synthesis of nitrogen and sulfur co-doped graphene as efficient metal-free electrocatalysts for the oxygen reduction reaction

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