Skip to main content
. 2020 Oct 29;10:18690. doi: 10.1038/s41598-020-74963-4

Figure 4.

Figure 4

(a, c, e) XRD patterns and (b, d, f) Kubelka–Munk function representations used to estimate the band gap value for (a, b) CuO nanowire arrays, (c, d) CuO–ZnO_1 core–shell nanowire arrays and (e, f) CuO–ZnO_2 core–shell nanowire arrays.