As shown inFig. 1(b), the symmetric 2D band with a full width at half maximum (FWHM) of30 cm 1 can be well fitted by a single Lorentzian curve, providing evidence of monolayer graphene [11]
As shown inFig. 1(b), the symmetric 2D band with a full width at half maximum (FWHM) of30 cm 1 can be well fitted by a single Lorentzian curve, providing evidence of monolayer graphene [11]