Transition Metal Oxides on Reduced Graphene Oxide Nanocomposites: Evaluation of Physicochemical Properties

Figure 3

Micro-Raman spectra of (a) bare Fe₂O₃, (b) Fe₂O₃@rGO, (c) CoO@rGO, and (d) CoFe₂O₄@rGO nanocomposites.