Figure 2.

FE-SEM images of ZnO films with various growth angles. ZnO films at (a-1) 0°, (b-1) 15°, and (c-1) 30° growth angles and their enlarged images (a-2, b-2, and c-2).

Ko et al. Nanoscale Research Letters 2012 7:55   doi:10.1186/1556-276X-7-55
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