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Versatile NiO/mesoporous carbon nanodisks: controlled synthesis from hexagon shaped heterobimetallic metal–organic frameworks

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Abstract

Hexagonal NiO/mesoporous carbon nanodisks (NiO/MCN) are facilely and controllably synthesized via constructing nickel–zinc trimesic acid heterobimetallic metal–organic framework (HMOF) disks before pyrolysis at 910 °C. Tailoring the Ni/(Zn + Ni) feed ratio and the reaction time during the HMOF synthesis creates a well-defined hexagonal carbon nanodisk with properly populated NiO nanocrystals while maintaining high porosity and conductivity. Such an elaborately fabricated NiO/MCN is highly stable, and exhibits the largest specific capacitance of 261 F g−1 and the highest specific activity factor of 1.93 s−1 g−1 of any composite nanodisk during the capacitive test and 4-nitrophenol reduction, respectively.

Graphical abstract: Versatile NiO/mesoporous carbon nanodisks: controlled synthesis from hexagon shaped heterobimetallic metal–organic frameworks

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Publication details

The article was received on 08 May 2017, accepted on 28 Jul 2017 and first published on 31 Jul 2017


Article type: Communication
DOI: 10.1039/C7NR03251J
Citation: Nanoscale, 2017, Advance Article
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    Versatile NiO/mesoporous carbon nanodisks: controlled synthesis from hexagon shaped heterobimetallic metal–organic frameworks

    D. Zeng, Y. Yang, F. Yang, F. Guo, S. Yang, B. Liu, S. Hao and Y. Ren, Nanoscale, 2017, Advance Article , DOI: 10.1039/C7NR03251J

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