Figure 1

Structural analysis of Fe₂O₃-based products.

(a) Powder X-ray diffraction (XRD) patterns of various Fe₂O₃-based products, (b) Raman spectrum. Nitrogen sorption isotherms of (c) Fe₂O₃-graphene particle-on-sheet composite and (d) Fe₂O₃-graphene sheet-on-sheet composite, TGA curves of (e) Fe₂O₃-graphene particle-on-sheet and (f) Fe₂O₃-graphene sheet-on-sheet.