A Facile Synthetic Approach to Reduced Graphene Oxide-Fe3O4 Composite as High Performance Anode for Lithium-ion Batteries |
| Fig. 3. a XPS spectra of rGO-Fe 3 O 4 composite, the inset is the high-resolution spectra of Fe2 p , b C1 s XPS spectra of GO, c C1 s XPS spectra of rGO-Fe 3 O 4 composite, d FTIR spectra of rGO and rGO-Fe 3 O 4 composite. |
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