Spectral Monitoring CH/C<sub>2</sub> Ratio of Methane Plasma for Growing Single-Layer Graphene on Cu

<div>Raman spectra of graphene films synthesized with various plasma powers from 0 W to 200 W and an effective distanceof 30 cm.</div>

Journal of Nanomaterials

Figure 4: Spectral Monitoring CH/C<sub>2</sub> Ratio of Methane Plasma for Growing Single-Layer Graphene on Cu 