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Single iron atoms coordinated g‑C3N4 on hierarchical porous N-doped carbon polyhedrons as a high-performance electrocatalyst for oxygen reduction reaction

Tingting Sun,   Pianpian Zhang,   Wenxing Chen,   Kang Wang,   Xianzhang Fu,   Tianyu Zheng  and  Jianzhuang Jiang  

Abstract

Isolated single Fe atoms coordinated graphitic carbon nitride (g-C3N4) dispersed on hierarchical porous N-doped carbon polyhedrons (Fe-g-C3N4/HPNCP) catalysts were successfully prepared. The optimized Fe-g-C3N4/HPNCP-0.8 shows excellent electrocatalytic activity for oxygen reduction reaction under alkaline condition with a half-wave potential of 0.902 V, significantly outperformed commercial Pt/C, as well as high durability. The high performance stems from the synergistic effect of the atomically dispersed Fe-N2 sites and the advantages of the hierarchical porous structure for promoting the mass transport and improving the accessibility of active sites.

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Publication details

The article was received on 03 Oct 2019, accepted on 02 Dec 2019 and first published on 03 Dec 2019


Article type: Communication
DOI: 10.1039/C9CC07772C
Chem. Commun., 2019, Accepted Manuscript

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    Single iron atoms coordinated g‑C3N4 on hierarchical porous N-doped carbon polyhedrons as a high-performance electrocatalyst for oxygen reduction reaction

    T. Sun, P. Zhang, W. Chen, K. Wang, X. Fu, T. Zheng and J. Jiang, Chem. Commun., 2019, Accepted Manuscript , DOI: 10.1039/C9CC07772C

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