Fig. 2From: Direct Growth of Single Crystalline GaN Nanowires on Indium Tin Oxide-Coated Silicaa Schematic illustrating the growth of GaN nanowires on rough ITO surface. The inset shows an SEM plan view of the rough ITO surface after thermal annealing. b Plan view of GaN nanowires grown on ITO. c Elevation view of GaN nanowires grown on ITO. d Elevation view of GaN nanowires after 1 h of KOH etching, exposing etched GaN nanowire tipBack to article page