Pyridyne cycloaddition of graphene: “external” active sites for oxygen reduction reaction

Xing Zhong; Huiyou Yu; Guilin Zhuang; Qiang Li; Xinde Wang; Yuanshuai Zhu; Lin Liu; Xiaonian Li; Mingdong Dong; Jian-guo Wang

doi:10.1039/C3TA13449K

Pyridyne cycloaddition of graphene: “external” active sites for oxygen reduction reaction†

Xing Zhong,^a Huiyou Yu,^a Guilin Zhuang,^a Qiang Li,^b Xinde Wang,^a Yuanshuai Zhu,^a Lin Liu,^a Xiaonian Li,^a Mingdong Dong^b and Jian-guo Wang*^a

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^a College of Chemical Engineering and Materials Science, Zhejiang University of Technology, Hangzhou 310014, China
E-mail: jgw@zjut.edu.cn

^b Interdisciplinary Nanoscience Center (iNANO), Aarhus University, DK-8000 Aarhus C, Denmark

Abstract

“External” nitrogen doped graphene sheets via pyridyne cycloaddition were fabricated, which can serve as feasible Pt alternatives for oxygen reduction reaction electrocatalysts. Notably, the excellent ORR performance of PyNGs can be attributed to the possible adsorption and catalytic site of the ortho-carbon of “external” nitrogen.

Journal of Materials Chemistry A

Pyridyne cycloaddition of graphene: “external” active sites for oxygen reduction reaction†

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Pyridyne cycloaddition of graphene: “external” active sites for oxygen reduction reaction

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