Fig. 4 | Scientific Reports

Fig. 4

From: Optical and electrochemical performance of electrospun NiO–Mn3O4 nanocomposites for energy storage applications

Fig. 4

FESEM images of as-spun (a) PVP/Ni(NO3)2, (b) PVP/Mn(NO3)2, and (c) PVP/Ni(NO3)2-Mn(NO3)2 nanocomposite, (d–i) after calcination at various magnification (Images related to each example are arranged below its as-spun counterpart), (j) EDS spectra NiO–Mn3O4 nanocomposite after calcination (inset displays the atomic percentage of elements), (K) High magnification FESEM image of NiO–Mn3O4 nanocomposite.

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