Research Article

Synthesis of Nitrogen-Doped Carbon Nanotubes Using Injection-Vertical Chemical Vapor Deposition: Effects of Synthesis Parameters on the Nitrogen Content

Figure 3

TEM micrographs at (a) low and (b) high magnification of an N-CNT sample deposited using 5 mg/mL of FcH/ACN at an H2 flow rate of 1000 mL/min, a deposition temperature of 800°C, and a deposition time of 1 h. Dark spots are the Fe catalyst particles.
(a)
(b)