Figure 1From: Photovoltaic Properties of p-Doped GaAs Nanowire Arrays Grown on n-Type GaAs(111)B SubstrateSEM images taken at different stages of device structure preparation. a As grown GaAs NWs array, b after PMMA deposition, c top view of the resulting structure (after oxygen plasma treatment), d schematic view of the device structure testingBack to article page