fig3
Figure 3. (A) XRD pattern of C-3; (B) XPS survey of the C-0 and C-3; (C) C 1s XPS spectra of C-1, C-2 and C-3; (D) O 1s XPS spectra of C-0 and C-3; (E) Fe 2p XPS spectra of C-3; (F) Raman pattern of C-1, C-2 and C-3; (G) Comparison of ID/IG and conductivity. XRD: X-ray diffraction; XPS: X-ray photoelectron spectroscopy; SS: stainless steel.








