Synthesis of MWCNT Forests with Alumina-Supported Fe₂O₃ Catalyst by Using a Floating Catalyst Chemical Vapor Deposition Technique

Figure 10

TEM micrographs of MWCNT bundles synthesized at different CVD temperatures by using the 0.3 g catalyst.

(a) CNTs grown at a CVD temperature of 600°C

(b) CNTs grown at a CVD temperature of 700°C

(c) CNTs grown at a CVD temperature of 800°C

(d) CNTs grown at a CVD temperature of 900°C

(e) CNTs grown at a CVD temperature of 1000°C