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1. Low-temperature synthesis of nitrogen/sulfur co-doped three-dimensional graphene frameworks as efficient metal-free electrocatalyst for oxygen reduction reaction.

Author

Su, Yuezeng, Zhang, Yi, Zhuang, Xiaodong, Li, Shuang, Wu, Dongqing, Zhang, Fan, and Feng, Xinliang

Subjects
*CRYSTALS at low temperatures, *CHEMICAL synthesis, *NITROGEN, *DOPING agents (Chemistry), *GRAPHENE, *ELECTROCATALYSIS
Abstract

Abstract: The development of metal-free catalyst for oxygen reduction reaction (ORR) is one of the most challenging tasks in fuel cells. Heteroatom doped graphenes have been recognized as the promising candidate. In this work, we have developed a one-pot hydrothermal approach towards three-dimensional nitrogen and sulfur co-doped graphene frameworks (N/S-GFs) employing graphene oxide and ammonium thiocyanate as the precursors. N/S-GFs manifest excellent catalytic behavior with mainly four electron transfer pathway in ORR in alkaline condition. [Copyright &y& Elsevier]

Published
2013
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