Figure 2.

Morphology study of the ZnO nanostructures grown on In/Si NWs. FESEM images of ZnO nanostructures formed on In/Si NWs at different growth times of (a) 0.5, (b), (c) 1.5, and (d) 2 h. Insets in (b) and (d) are the cross-sectional images of the respective figures (scale bar = 1 μm).

Chong et al. Nanoscale Research Letters 2013 8:174   doi:10.1186/1556-276X-8-174
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