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(a) SEM images of CNT films, scale bar: 200 nm. (b) PEDOT:CNT films, scale bar: 200 nm. (c) nanowire/CNT heterogeneous film, scale bar: .
(a) Photograph of a flexible and transparent supercapacitor fabricated using CNT films. (b) AFM image of entangled CNT networks sitting on a transparent PET substrate. (c) Schematic of a flexible and transparent supercapacitor. The gray color represents a Nafion film as separator between two nanowires/CNT heterogeneous film electrodes. (d) Transmittance spectra of three different electrochemical capacitors and a single CNT film.
(a) Cyclic voltammograms of a CNT film supercapacitor, a PEDOT:CNT film supercapacitor, and a nanowires on CNT film supercapacitors. (b) Specific capacitance vs different weights of nanowires. The insets are SEM images with different weights of nanowires. The scale bars in SEM pictures represent .
(a) Charge-discharge behavior of a nanowire/CNT heterogeneous film electrochemical capacitor in electrolyte. (b) Cycle-life data of nanowires/CNT heterogeneous film electrochemical capacitor. Specific capacitance was calculated from GV measurements at constant current of 0.5 A/g.
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