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Figure 3 | Nanoscale Research Letters

Figure 3

From: Vertically aligned ZnO nanorod core-polypyrrole conducting polymer sheath and nanotube arrays for electrochemical supercapacitor energy storage

Figure 3

SEM images. (A) Thicker PPy deposited over ZnO nanorod array when electropolymerization was carried out for 20 k pulsed current cycles, (B) cross-sectional view of PPy sheath coated along the ZnO rod length, and (C) conjoined view of PPy sheath over ZnO nanorods with average diameter of 985 nm. Top view of ZnO nanorod tips with thick PPy sheath (D) before etch and (E) after ammonia etch.

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