Figure 4
Raman spectroscopy of as grown graphene on Cu substrate (in the range 820 cm−1 to 2100 cm−1).
Room temperature Raman spectra of graphene obtained under (a) 441.6 nm and (b) 325 nm laser lines excitation.
Figure 4 | Scientific Reports
Raman spectroscopy of as grown graphene on Cu substrate (in the range 820 cm−1 to 2100 cm−1).
Room temperature Raman spectra of graphene obtained under (a) 441.6 nm and (b) 325 nm laser lines excitation.
