Figure 4
From: Photodetecting properties of single CuO–ZnO core–shell nanowires with p–n radial heterojunction
(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.
