Growth model of bamboo-shaped carbon nanotubes by thermal chemical vapor deposition

Vertically aligned carbon nanotubes were grown on iron-deposited silicon oxide substrate by thermal chemical vapor deposition of acetylene. The carbon nanotubes have no encapsulated iron particles at the closed tip and a bamboo structure in which the curvature of compartment layers is directed to the tip. A base growth model is suggested for the bamboo-shaped carbon nanotubes grown under our experimental conditions.

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