Figure 4.

SEM images of GaOOH rods. These rods are grown on ITO electrode of LEDs with and without ATO seed layer under different cathodic voltages for 100 min at 80°C. (a) Bare ITO, −2 V; (b) ATO/ITO, −1.8 V; (c) ATO/ITO, −2 V; and (d) ATO/ITO, −2.2 V.

Lee et al. Nanoscale Research Letters 2012 7:458   doi:10.1186/1556-276X-7-458
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