Figure 3
(a,b) SEM images of Cu@Ni NWs with different magnifications. (c) Cu@Ni NW and corresponding elemental mapping images of Ni and Cu. TEM images of Cu NW (d) and Cu@Ni NWs (e). The inset of Fig. 3(d) is the SAED pattern of Cu NWs.
Figure 3 | Scientific Reports
