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Synergistic effect of nitrogen doping and para-phenylenediamine functionalization on the physicochemical properties of reduced graphene oxide for electric double layer supercapacitor in organic electrolyte

Abstract

The presence of nitrogen atoms in reduced graphene oxide (RGO) sheets considerably modulates its intrinsic physical and chemical properties to finally improve its electrochemical properties in electric double layer supercapacitors. However, this also accelerates the restacking phenomena of RGO, which results in the decreased active surface area and pore volume. To solve this problem, we fabricated para-phenylenediamine (p-PDA) functionalized nitrogen doped RGO (NRGO) to inhibit restacking phenomenon and thus preserve the active surface area and pore volume via chemical bonding between RGO and p-PDA. Finally, we realized an impressive electrochemical performance through the synergistic effect of nitrogen doping and p-PDA functionalization.

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Publication details

The article was received on 12 Apr 2017, accepted on 17 May 2017 and first published on 17 May 2017


Article type: Paper
DOI: 10.1039/C7TA03194G
Citation: J. Mater. Chem. A, 2017, Accepted Manuscript
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    Synergistic effect of nitrogen doping and para-phenylenediamine functionalization on the physicochemical properties of reduced graphene oxide for electric double layer supercapacitor in organic electrolyte

    J. Yang, J. Shin, M. Park, G. Lee, M. Amedzo-Adore and Y. Kang, J. Mater. Chem. A, 2017, Accepted Manuscript , DOI: 10.1039/C7TA03194G

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