CVD Synthesis of Hierarchical 3D MWCNT/Carbon-Fiber Nanostructures
Figure 3
SEM images of CNT forests grown on substrate from Fe catalyst
with at C with optimal gas composition: (a) Nanotube forest of
about in height growing from the substrate right next to the Showa Denko fibers.
(b) Magnified image of the roots of the nanotube forest.
The adjacent VGCFs were inactive for the growth of secondary tubes.
