The synergistic effect of nitrogen doping and para-phenylenediamine functionalization on the physicochemical properties of reduced graphene oxide for electric double layer supercapacitors in organic electrolytesElectronic supplementary information (ESI) available. See DOI: 10.1039/c7ta03194g

The presence of nitrogen atoms in reduced graphene oxide (RGO) sheets considerably modulates their intrinsic physical and chemical properties to finally improve their electrochemical properties in electric double layer supercapacitors. However, this also accelerates the restacking phenomena of RGO,...

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Main Authors: Yang, Junghoon, Shin, Jeongyim, Park, Mihui, Lee, Gi-Hyeok, Amedzo-Adore, Mawuse, Kang, Yong-Mook
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creator Yang, Junghoon
Shin, Jeongyim
Park, Mihui
Lee, Gi-Hyeok
Amedzo-Adore, Mawuse
Kang, Yong-Mook
description The presence of nitrogen atoms in reduced graphene oxide (RGO) sheets considerably modulates their intrinsic physical and chemical properties to finally improve their electrochemical properties in electric double layer supercapacitors. However, this also accelerates the restacking phenomena of RGO, which results in a decreased active surface area and pore volume. To solve this problem, we fabricated para -phenylenediamine ( p -PDA) functionalized nitrogen doped RGO (NRGO) to inhibit the 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. This work studied the synergistic effect of N-doping and p -PDA functionalization on the properties of RGO for supercapacitors.
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title The synergistic effect of nitrogen doping and para-phenylenediamine functionalization on the physicochemical properties of reduced graphene oxide for electric double layer supercapacitors in organic electrolytesElectronic supplementary information (ESI) available. See DOI: 10.1039/c7ta03194g
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