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Figure 2 | Nanoscale Research Letters

Figure 2

From: Fabrication and photoresponse of ZnO nanowires/CuO coaxial heterojunction

Figure 2

SEM and TEM images and FFT. SEM images of the cross-sectional view of (a) ZnO NW arrays and (b) ZnO NWs/CuO CH. Bottom-left and top-right insets in (a) show tilt views of ZnO NWs and PR on ZnO NWs, respectively. (c) Low-magnification TEM image and FFT (inset) of ZnO/CuO CH. (d) High-magnification TEM image of the ZnO/CuO interface taken from the square region drawn in Figure 2c.

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