Figure 3From: Fabrication and photoresponse of ZnO nanowires/CuO coaxial heterojunctionXRD patterns of ZnO (black line) and ZnO/CuO (red line). The inset shows the XRD patterns of ZnO (black line) and ZnO/CuO (red line) between 2θ = 35.5° and 40.5°.Back to article page