Figure 5
From: Controllable preparation of Ni nanoparticles for catalysis of coiled carbon fibers growth
SEM images of regular CMC. SEM images of (a) low magnification and (b) high magnification. The regular CMC was obtained using Ni particles on graphite substrate under the following conditions: reaction temperature of 750°C, N2 at 100 ml/min, H2 at 60 ml/min, C2H2 at 20 ml/min, and bathing temperature of thiophene at 40°C. The regular CMC are made up of double helical fibers A and B.