Figure 5.

Raman spectra of CNTs with various H2flow rate during plasma pretreatment. The Raman spectra of all samples show the D-band and G-band around 1,360 and 1,580 cm−1, respectively

Jian et al. Nanoscale Research Letters 2008 3:230-235   doi:10.1007/s11671-008-9141-5