fig3

Figure 3. (A) XRD pattern of Co-Mo₂S₃/CF; (B) FTIR spectra of CF and Co-Mo₂S₃/CF; (C) XPS survey spectrum of Co-Mo₂S₃/CF, (D) high-resolution C 1s, (E) O 1s, (F) N 1s and Mo 3p, (G) Mo 3d, (H) S 2p. CF: Carbon foam; XPS: X-ray photoelectron spectroscopy; FTIR: Fourier-transform infrared; XRD: X-ray diffraction.