Figure 8From: A catalyst-free growth of aluminum-doped ZnO nanorods by thermal evaporationFESEM images of Al doped ZnO nanowires. (a, b) 1.2 at.%, (a) surface view with inset showing high magnification and (b) cross-sectional view with inset showing high magnification. (c, d) 2.4 at.%, (c) surface view with inset showing high magnification and (d) cross-sectional view with inset showing high magnification.Back to article page