Effects of Two Purification Pretreatments on Electroless Copper Coating over Single-Walled Carbon Nanotubes

Figure 1

Representative TEM images of (a) initial SWCNTs sample and purified sample with (b, c) HNO₃-NaOH-HCl and (d) H₂O₂/HCl.

(a)

(b)

(c)

(d)