Figure 2
From: Facile synthesis of composition-tuned ZnO/Zn x Cd1-x Se nanowires for photovoltaic applications
Cross-sectional SEM images. (a) Bare ZnO NWs; (b) ZnO/ZnSe coaxial NWs; (c) ZnxCd1-xSe coaxial NWs; (d) ZnO/CdSe coaxial NWs. The insets in (a-d) are their photographs.