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Ultrathin, transparent, and flexible graphene films for supercapacitor application
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10.1063/1.3455879
/content/aip/journal/apl/96/25/10.1063/1.3455879
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/25/10.1063/1.3455879
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Photographs of transparent thin-films of varying thickness on glass slides. (b) TEM image of graphene collected from dispersion before filtration. (c) SEM image of 100 nm graphene film on glass slide.

Image of FIG. 2.
FIG. 2.

(a) Transmittance spectra of thin-films of varying thickness. (b) Plot of absorbance at 550 nm vs thin-film thickness. Bottom-right inset photo shows the flexibility of an approximately 100 nm thick graphene film on PET substrate.

Image of FIG. 3.
FIG. 3.

CV curves for (a) 25 nm, (b) 50 nm, (c) 75 nm, and (d) 100 nm thin films at scan rate of 10, 20, 50, 100, and 200 mV/s. (e) Ragone plot of energy density vs power density for each thin film.

Image of FIG. 4.
FIG. 4.

Charge-discharge curves for (a) 25 nm, (b) 50 nm, (c) 75 nm, and (d) 100 nm thin films at 0.75 A/g.

Image of FIG. 5.
FIG. 5.

ac impedance plots for (a) 25 nm, (b) 50 nm, (c) 75 nm, and (d) 100 nm thin films.

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/content/aip/journal/apl/96/25/10.1063/1.3455879
2010-06-22
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ultrathin, transparent, and flexible graphene films for supercapacitor application
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/25/10.1063/1.3455879
10.1063/1.3455879
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