Effect of Different Catalyst Deposition Technique on Aligned Multiwalled Carbon Nanotubes Grown by Thermal Chemical Vapor Deposition

Figure 1

FESEM images of (a) thermally grown SiO₂, (b) alumina thickness (inset: top view of alumina), (c) iron deposited using electron beam evaporation (inset: EDX analysis), and (d) iron deposited using ferrocene vaporization (inset: EDX analysis).

(a)

(b)

(c)

(d)