Cobalt catalyst particles observed by TEM after annealing a thick film at .
(a) SEM (tilt: 45°; inset, tilt: 90°) and TEM (right hand side) observations of short SWCNT and DWCNT (scale bar: ) grown after of (1:3) plasma discharge at . (b) SEM (tilt: 45°) and TEM (right hand side) observations of MWNT grown after of (1:3) plasma discharge at .
SEM images of carbon nanostructures synthesized at using with 2:3 ratio after (a) (inset, tilt: 90°) and (b) of the growth process.
Influence of the grid voltage on CNT structures obtained at after of a discharge. (a) , (b) , and (c) .
SEM and TEM (inset) images of carbon nanostructures obtained at and using various ratios. (a) 1:4, (b) 1:11, (c) 1:23, and (d) 1:37.
SEM (tilt: 45°) and TEM (inset) images of carbon nanostructures obtained at and using two ratios (a) 1:11 and (b) 1:23.
SEM images (tilt: 90°) of FWNT synthesized at (a) using 1:23 at after , (b) the same as (a) after , (c) using 1:11 at after , and (d) the same as (c) after .
(a) FWNT synthesized with 1:23 at during (SEM—tilt: 45°). Inset: SEM with sample tilted at 90°. (b) MWNT synthesized with 1:11 at for —SEM (tilt: 45°) and TEM images (inset).
(Color online) Carbon nanotube growth scenario by PECVD.
Influence of the ratio on carbon nanostructures with fixed grid voltage (-C denotes turbostratic carbon).
Influence of the grid voltage on the carbon nanostructures using (1:3) mixtures (-C denoted the turbostratic carbon).
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