Optical, electrochemical and corrosion resistance properties of iron oxide/reduced graphene oxide/polyvinylpyrrolidone nanocomposite as supercapacitor electrode material
Bulletin of Materials Science, ISSN: 0973-7669, Vol: 45, Issue: 3
2022
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Article Description
Iron oxide (FeO)/reduced graphene oxide (rGO)/polyvinylpyrrolidone (PVP) nanocomposite films with varying iron weight percentages were prepared by electrospinning spray method on glass, aluminium foil and Si (100) substrate. The size of FeO/rGO/PVP composite particles varied between 0.75 and 1.35 μm on the surface of the graphene sheet. The diffraction peaks at 36.77°, 47.06°, 52.98° and 61.34° confirmed the plane (311), (400), (422) and (440) of the FeO crystal lattice, respectively. The broad peaks around 26.6° and 43.47° correspond to the planes (002) and (102) for the rGO sheet in the FeO/rGO/PVP nanocomposite films. The defect parameter, I/I ratio varied from 0.17 to 0.34 with 15 and 25wt% FeO content, respectively, indicates the decreasing of defects in the FeO/rGO/PVP network. The minimum value of E and I are 0.18 V and 4.76 μA, respectively.
Bibliographic Details
Springer Science and Business Media LLC
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