651468.fig.001a
(a)
651468.fig.001b
(b)
651468.fig.001c
(c)
651468.fig.001d
(d)
651468.fig.001e
(e)
651468.fig.001f
(f)
651468.fig.001g
(g)
651468.fig.001h
(h)
651468.fig.001i
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651468.fig.001j
(j)
Figure 1: SEM images of ZnO nanorods synthesized on ITO/PET substrates under different solution concentrations: under lower magnification (scale bar −2 μm): (a) 50 mM, (b) 37.5 mM, (c) 25 mM, (d) 18.75 mM, and (e) 12.5 mM: under higher magnification (scale bar −500 nm); (f) 50 mM, (g) 37.5 mM, (h) 25 mM, (i) 18.75 mM, and (j) 12.5 mM.