Figure 1From: Graphene as a transparent conducting and surface field layer in planar Si solar cellsRaman spectra and corresponding I 2D / I G ratios of graphene at different temperatures and flow rates. (a) Raman spectra of graphene synthesized at different growth temperatures and (b) corresponding I2D/IG and FWHM of 2D peak. (c) Raman spectra of graphene synthesized with different flow rates of CH4 and H2 and (d) corresponding I2D/IG and FWHM of 2D peak.Back to article page