Figure 1From: Vertically aligned ZnO nanorod core-polypyrrole conducting polymer sheath and nanotube arrays for electrochemical supercapacitor energy storageSEM images of ZnO nanorod arrays grown on graphite substrate. (A) Image showing the microstructure of ZnO nanorod arrays. (B) Magnified image showing the top end of the rods with hexagonal facets.Back to article page