期刊
RSC ADVANCES
卷 4, 期 92, 页码 50765-50770出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra07224c
关键词
-
资金
- China Postdoctoral Science Foundation [2013M531681]
- National Science Foundation of China [21373189]
- S&T Project of Education Department of Henan Province of China [13A150597]
A quasi-cubic Fe3O4@rGO composite (CFGC) was facily fabricated to investigate its supercapacitor performance, based on a colloid electrostatic self-assembly process between positively charged Fe(OH)(3) colloid nanoparticles and negatively charged GO sheets. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) showed that quasi-cubic Fe3O4 nanoparticles with diameters of about 10-20 nm were loaded onto the surface of reduced graphene oxide (rGO), which was also characterized using X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FT-IR), and X-ray diffraction (XRD) analysis. Interestingly, CFGC exhibited an admirable rate property with a high capacitance of 216.7 F g(-1) in 6 M KOH aqueous electrolyte that could be used as electrode material for superior supercapacitors.
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