Quality control method based on photoluminescence imaging for the performance prediction of c-Si/a-Si:H heterojunction solar cells in industrial production lines
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文摘

A PL based quality control method for heterojunction solar cells is presented.

FF losses are correlated to a defectivity parameter extracted from PL images.

The efficiency of non-metallized cells can be predicted with deviations below 0.2%.

The origin of the defects revealed by PL imaging is also investigated.

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