Nanorod arrays
(a) 45° side view SEM images of ordered ZnO nanorod arrays and (b) close-packed hexagonal ordering of the arrays. The inset is a top view of the rod arrays. Credit: Appl. Phys. Lett.
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(a) 45° side view SEM images of ordered ZnO nanorod arrays and (b) close-packed hexagonal ordering of the arrays. The inset is a top view of the rod arrays. Credit: Appl. Phys. Lett.