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

XRD analysis

Figure 2a shows the XRD pattern for the prepared samples of NiO, Mn₃O₄, and NiO–Mn₃O₄ nanocomposite. For pure NiO, the diffraction peaks located at 2θ values of 37.44, 43.47, 57.57, 62.98, and 79.56° are associated with the…