627215.fig.002a
(a)
627215.fig.002b
(b)
627215.fig.002c
(c)
Figure 2: AFM and TEM views of SWCNTs grown by PECVD. (a) AFM image of nanotubes grown from low-density ferritin catalyst. (b) AFM image of a tube grown from a catalyst particle. (c) TEM image of an SWCNT with diameter of 1.2 nm [25].