Research Article

Photoluminescence of Hexagonal ZnO Nanorods Hydrothermally Grown on Zn Foils in KOH Solutions with Different Values of Basicity

Figure 2

SEM images of the as-synthesized ZnO samples in 30 mL solutions containing (a) 1 (0.05 g), (b) 2 (0.10 g), (c) 4 (0.20 g), (d) 6 (0.30 g), (e) 8 (0.40 g), and (f) 10 times (0.50 g) of KOH.
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(a)
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(b)
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(c)
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(d)
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(e)
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(f)