Thin film solar cells have shown a big potential to decrease cost of manufacturing for photovoltaic power generation. Despite of all research attempts to optimize materials and efficiency the mass production of thin film solar cells is still employing some mechanical steps of structuring, where thin films with a thickness of approximately 1 μm are selectively separated for the monolithic serial interconnection.
P2 Process
Structuring CIS (CuInSe2)/CIGS thin films solar cells by picosecond laser ablation shows high potential. A new method called “directly induced laser ablation” can increase process speed for the scribing of a Mo-film on glass.
P1, P2 and P3 can be structured with low thermal effects and high resolution by using ps-laser pulses.
P3 Process
