Direct Deposition of Bamboo-Like Carbon Nanotubes on Copper Substrates by Sulfur-Assisted HFCVD

Figure 1

SEM micrograph of the BCNT directly deposited on Cu at different temperatures showing (a) 400^∘C, 2 hours; (b) 500^∘C, 5 minutes; (c) 700^∘C, 5 minutes; (d) 900^∘C, 15 minutes.

(a)

(b)

(c)

(d)