few-layer graphene films
Large area, few-layer graphene films on arbitrary substrates by chemical vapor deposition
FREE-DOWNLOADA Reina, X Jia, J Ho, D Nezich, H Son… – Nano letters, 2008
. are on Si substrates with a 300 nm oxide layer (Figure 1d). Variations in the film thickness are
indicated by the change of color contrast in the optical images, due to light interference on the
SiO 2 layer modulated by the . An optical image of a graphene strip device is shown