Figure 1From: Axially connected nanowire core-shell p-n junctions: a composite structure for high-efficiency solar cells 3-D illustration and schematic drawing of the proposed structure. (a) 3-D illustration of the proposed axially connected core-shell structure: core-shell p-n junctions with different III-V materials are axially connected by the tunnel diode in a NW. (b) Schematic drawing of vertically aligned NW arrays.Back to article page