Regrowth of Carbon Nanotubes Array on Al Layer Coated Substrate

Figure 5

SEM images of CNT array grown for the (a) first, (b) second and (c) third growth by annealing method. The length of CNT array is (a) 35, (b) 22 and (c) 24 𝜇m. The insets are high-magnification images.

(a)

(b)

(c)