Figure 3: Optical characterizations of GO and rGO.
From: Fabrication and Analysis of Chemically-Derived Graphene/Pyramidal Si Heterojunction Solar Cells
(A) Raman spectrum of GO and rGO on pyramidal Si. (B) FTIR spectra of GO and rGO. The reduction of D peak in Raman spectrum and the elimination of oxygen related peak in FTIR demonstrate that the rGO is successfully derived.
