In this study, we demonstrate that the P3 scribing of CIGS cells with nanosecond pulses can compete with ultrashort picosecond pulses producing very low conductivity isolation scribes. The investigation covered a wide range of laser wavelengths – from 355 nm to 2.5 µm. Additionally, P3 processing with extremely high speeds (up to 25 m/s) was investigated in CIGS cells. Results showed that heat accumulation effects occurred even in low-pulse-overlap removal of TCO layers (lift-off). Furthermore, processing at highest speeds demonstrated the deteriorated quality of P3 scribes due to ejected TCO flakes partially shielding the laser beam. Nevertheless, scribe conductivity remained low.
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