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Ultrathin two-dimensional π-d conjugated coordination polymer Co3(hexaaminobenzene)2 nanosheets for highly efficient oxygen evolution

Abstract

Organic two-dimensional (2D) materials with unique optic-electronic properties are attracting great interest in functional electronic devices. However, the low electronic conductivity and poor stability still are major defects of 2D organic systems. Herein, we demonstrated ultrathin 2D conductive cobalt-hexaaminobenzene metal-organic coordination polymer nanosheets (Co-HAB-NSs) with thickness of ~4.5 nm. The as prepared Co-HAB-NSs exhibit low overpotential (310 mV @ 10 mA cm-2) and high durability in 1 M KOH. The experimental and computational results show that the high electrocatalytic activity is ascribed to the enhanced electrochemical active area as well as the dense and stable catalytic active sites of Co-HAB-NSs.

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Publication details

The article was received on 26 Sep 2019, accepted on 21 Nov 2019 and first published on 22 Nov 2019


Article type: Paper
DOI: 10.1039/C9TA10644H
J. Mater. Chem. A, 2019, Accepted Manuscript

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    Ultrathin two-dimensional π-d conjugated coordination polymer Co3(hexaaminobenzene)2 nanosheets for highly efficient oxygen evolution

    C. Li, L. Shi, L. Zhang, P. Chen, J. Zhu, X. Wang and Y. Fu, J. Mater. Chem. A, 2019, Accepted Manuscript , DOI: 10.1039/C9TA10644H

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