In Situ LID and Regeneration of PERC Solar Cells from Different Positions of a B-Doped Cz-Si Ingot

Figure 3

The IDLS spectra of five groups of lifetime samples corresponding to five groups of PERC solar cells measured after sintering, dark annealing at 200°C for 30 min, and regeneration at 100°C and 1 sun for 24 h.