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14 Nanostructures Obtained with Plasma Discharge Processes
Fig. 14.3 TEM images of various arc discharge-produced carbon nanostructures. a Single-walled
nanotubes. Reprinted from [18]. Copyright (2000), with permission from Elsevier. b Double-wall
nanotubes with a cross-sectional image in the inset. Reprinted with permission from [19] Copyright
(2003) American Chemical Society. c Multiwalled nanotubes with the typical end closure (left
side, bottom of the image). Reprinted from [20]. Copyright (2000), with permission from Elsevier.
d Multiwall nanotube with a partial closure of three inner tubes and an inclination at the defect site.
Reprinted from [21]. Copyright (2004), with permission from Elsevier. e Nanoonion. Reprinted
from [22]. Copyright (2006), with permission from Elsevier