Figure 4.

Plan view and cross sections (insets) SEM images of the ZnO nanorods. They are grown at 0.025 M, at 85°C for 5 h on the RF-sputtered seed layer with a thickness of (a) 40 nm, (b) 80 nm, (c) 300 nm, and (d) 1 μm, respectively.

Dong et al. Nanoscale Research Letters 2013 8:378   doi:10.1186/1556-276X-8-378
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