Figure 1

(a) Schematic diagram of the layer structure of solar cells. Thicknesses of the ITO front and back layers are 80 and 120 nm, respectively. (b) Top-view image of the front side of a 32 mm × 32 mm solar cell.

(a) Schematic diagram of the layer structure of solar cells. Thicknesses of the ITO front and back layers are 80 and 120 nm, respectively. (b) Top-view image of the front side of a 32 mm × 32 mm solar cell.