Fig. 1From: Optimization of GaAs Nanowire Pin Junction Array Solar Cells by Using AlGaAs/GaAs Heterojunctionsa The schematic drawings of the GaAs nanowire axial pin junction solar cell and its AlGaAs/GaAs heterojunction counterpart. b The schematic drawings of the GaAs nanowire radial pin junction solar cell and its AlGaAs/GaAs heterojunction counterpartBack to article page