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Scanning electron microscopy images of vertically oriented CNWs grown on a amorphous carbon thin film (tilt 45°) (a) low magnification and (b) higher magnification.
Transmission electron microscopy images of vertically oriented CNWs grown on an amorphous carbon thin film. (a) Low magnification micrograph showing substrate and CNWs (b) high magnification displaying crystallinity of CNWs.
Nyquist diagrams of amorphous carbon electrode (a) and carbon nanowalls grown on amorphous electrode. Solution: 10 mM 0.1 M KCl. —Experimental (dots) - Fitted diagrams (line).
Cyclic voltammograms in an aqueous solution of 5 mM 0.1 M KCl of amorphous carbon electrode (curve a) and CNW electrode (curve b). Scan rate 50 mV/s.
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