Journal
MICRO & NANO LETTERS
Volume 13, Issue 6, Pages 842-844Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/mnl.2017.0922
Keywords
graphene; nanocomposites; nanofabrication; supercapacitors; electrochemical electrodes; graphene devices; plasma CVD; etching; surface morphology; voltammetry (chemical analysis); electrochemistry; graphene nanowalls; nickel foam; supercapacitor electrodes; copper foil; glass; plasma-enhanced chemical vapour deposition; etching; surface morphology; cyclic voltammetry; galvanostatic charge-discharge methods; electrical double-layer performance; cyclic stability; frequency 13; 56 MHz; C; Ni; Cu; SiO2
Funding
- National Natural Science Foundation of China [51602300, 51602299]
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Graphene nanowalls (GNWs) were deposited on the surface of the copper foil, nickel foam and glass using the plasma-enhanced chemical vapour deposition (13.56 MHz) method. The etching effect of hydrogen on the morphology of the GNWs was investigated by varying the CH4/H-2 ratio during the graphene growth. Supercapacitor electrodes made of GNWs on nickel foam were tested with cyclic voltammetry and galvanostatic charge/discharge methods, showing premium electrical double-layer performance and cyclic stability.
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