Figure 3.
XRD pattern and XPS spectra of porous ZnSe/CoSe2/C composite nanofibers: (a) XRD pattern; (b) wide-scan XPS spectrum; (c) Zn 2p XPS spectrum; (d) Co 2p XPS spectrum; (e) Se 3d and Co 3p XPS spectrum; and (f) C 1s XPS spectrum.
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