Fig. 1


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Schematic cross-sectional representation of the perovskite-CIGSe layer stack with the respective materials and layer thicknesses. The adapted principle of monolithic series interconnection with four patterning steps (P1, iso-cut, P2, P3) adapted to tandem solar cells with a window layer stack is shown. The total width of all four lines including intermediate distances determines the interconnection width (dead area width).

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