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Issue 15, 2014
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Synthesis of carbon nanomembranes through cross-linking of phenyl self-assembled monolayers for electrode materials in supercapacitors

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Abstract

A bottom-up synthesis of three-dimensional (3D) carbon nanomembranes (CNMs) was developed through Friedel–Crafts cross-linking of phenyl self-assembled monolayers (SAMs) on silica nanospheres (SNSs) followed by high temperature treatment and template removal. The CNMs show a hierarchically 3D connected porous structure and the pore sizes are facilely tuned by varying the sizes of SNS templates. CNMs with high surface area (>1500 m2 g−1), large pore volume (∼3 cm3 g−1) and partially graphitized frameworks exhibited good performances as supercapacitor electrode materials. The specific capacitance of the porous 3D CNMs reached 202 F g−1 at a current density of 0.5 A g−1 in an aqueous electrolyte.

Graphical abstract: Synthesis of carbon nanomembranes through cross-linking of phenyl self-assembled monolayers for electrode materials in supercapacitors

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Publication details

The article was received on 20 Dec 2013, accepted on 20 Jan 2014 and first published on 21 Jan 2014


Article type: Paper
DOI: 10.1039/C3TA15311H
Citation: J. Mater. Chem. A, 2014,2, 5212-5217
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    Synthesis of carbon nanomembranes through cross-linking of phenyl self-assembled monolayers for electrode materials in supercapacitors

    Y. Wang, R. Xiong, L. Dong and A. Hu, J. Mater. Chem. A, 2014, 2, 5212
    DOI: 10.1039/C3TA15311H

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