Figure 5
(a) XPS general spectrum of as-synthesized NiCo2O4@NiCo2O4 NCAs; and (b-d) XPS survey scan of Ni 2p, Co 2p and O 1 s regions, respectively.
Figure 5 | Scientific Reports
(a) XPS general spectrum of as-synthesized NiCo2O4@NiCo2O4 NCAs; and (b-d) XPS survey scan of Ni 2p, Co 2p and O 1 s regions, respectively.
