Effects of the Growth Time and the Thickness of the Buffer Layer on the Quality of the Carbon Nanotubes

Figure 5

(a) 4K times the top of the array SEM image, (b) 10K times the middle of the array SEM image, (c) 30K times the array cluster SEM image, and (d) 50K times the array cluster SEM image.

(a)

(b)

(c)

(d)