Nitrogen-Doped Porous Carbon Nanosheets Templated from g-C3 N4 as Metal-Free Electrocatalysts for Efficient Oxygen Reduction Reaction.

Yu, Huijun; Shang, Lu; Bian, Tong; Shi, Run; Waterhouse, Geoffrey I N; Zhao, Yufei; Zhou, Chao; Wu, Li-Zhu et al. · Adv Mater · 2016

basic_science · Level V

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Abstract

Nitrogen-doped porous carbon nanosheets (N-CNS) are synthesized by hydrothermal carbon coating of g-C3 N4 nanosheets followed by high-temperature treatment in N2 . g-C3 N4 serves as a template, nitrogen source, and porogen in the synthesis. This approach yields N-CNS with a high nitrogen content and comparable oxygen reduction reaction catalytic activities to commercial Pt/C catalysts in alkaline media.