Table 2: Summary of CCNT structure from TEM imaging.

CCNT no.Free length 
(nm)
Coil dia.
(nm)
Nanotube width 
(nm)
Wall thickness 
(nm)
Inner radius 
(nm)
Outer radius 
(nm)
No. of 
walls

1159722649.611.413.324.834
2324758.732.37.98.316.1
3574826990.437.97.245.2112
417571.816.619.235.9
5832414255.325.42.227.6
657683.931.710.242.093
7475618158.320.48.729.160
8754241567.517.216.533.751
91136012063.520.810.931.8
1027659.88.121.829.924
11314222861.715.815.030.947
12542012732.813.33.116.439
13437021752.621.64.726.263