Fig. 12
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a) IV-curves taken at 1000W/m2, 200W/m2 and dark IV for three different 16 busbar TOPCon G12 mono-crystalline half-cut cell. Two (#1 and #3) are from mid 2024 and also used in Figure 11, and one from late 2023 (#2) from Figure 10. A shift from around −48V to “only”-39V is clearly visible, showing the influence of manufacturing process. The lower current for #2 is mainly a result of different sample design with higher optical losses.
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