Fig. 2
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Photographs of a POLO IBC solar cell processed at the ISFH SolarTeC. The left image shows front and rear side of the cell, the right image adds the glass shadow mask in the front. This POLO IBC solar cell still uses straight busbars, whereas the 24.1% and 24.5%-efficient cells in Table 1 include pads in the busbars which improves contacting by the IV chuck.
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