Figure 5From: The Influences of H2Plasma Pretreatment on the Growth of Vertically Aligned Carbon Nanotubes by Microwave Plasma Chemical Vapor DepositionRaman 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, respectivelyBack to article page