Scribing of thin films

Scribing of Thin-film Solar Cells with Picosecond Laser Pulse

Continued demand for renewable energy sources stimulates development of various solar cell technologies on flexible and rigid substrates. Properties such as flexibility, good power-weight ratio and resistance to radiation make CIGS solar cells ideal for automotive industry and complex structure building integrated applications.

Scribing of Thin-film Solar Cells with Picosecond Laser Pulse Continued demand for renewable energy sources stimulates development of various solar cell technologies on flexible and rigid substrates. Properties such as flexibility, good power-weight ratio and resistance to radiation make CIGS solar cells ideal for automotive industry and complex structure building integrated applications. CIGS has been established as the most efficient thin-film technology in converting sunlight into electricity with the theoretical limit as high as 27% and a record value of 20.3% achieved in the laboratory. Efficiency of thin-film solar cells with a large active area might be maintained if small segments are interconnected in series in order to reduce photocurrent in thin films and resistance losses, and laser scribing is crucial for performance of the device.

Results of experiments performed as well as theoretical modeling proved that processing without damage is possible with ultra-short-pulse lasers. Workstations from ELAS, Ltd equipped with high power industrial picosecond lasers could be promising tools for CIGS solar cell scribing due to their high process speeds with low thermal impacts on the materials. SEM image illustrates parallel beam scribed pattern on CIGS using Atlantic Series picosecond laser [1].

Read more: [1] P. Gecys et al. Scribing of Thin-film Solar Cells with Picosecond Laser Pulse

Scribing of Thin-film Solar Cells with Picosecond Laser Pulse

Continued demand for renewable energy sources stimulates development of various solar cell technologies on flexible and rigid substrates. Properties such as flexibility, good power-weight ratio and resistance to radiation make CIGS solar cells ideal for automotive industry and complex structure building integrated applications.

Scribing of Thin-film Solar Cells with Picosecond Laser Pulse Continued demand for renewable energy sources stimulates development of various solar cell technologies on flexible and rigid substrates. Properties such as flexibility, good power-weight ratio and resistance to radiation make CIGS solar cells ideal for automotive industry and complex structure building integrated applications. CIGS has been established as the most efficient thin-film technology in converting sunlight into electricity with the theoretical limit as high as 27% and a record value of 20.3% achieved in the laboratory. Efficiency of thin-film solar cells with a large active area might be maintained if small segments are interconnected in series in order to reduce photocurrent in thin films and resistance losses, and laser scribing is crucial for performance of the device.

Results of experiments performed as well as theoretical modeling proved that processing without damage is possible with ultra-short-pulse lasers. Workstations from ELAS, Ltd equipped with high power industrial picosecond lasers could be promising tools for CIGS solar cell scribing due to their high process speeds with low thermal impacts on the materials. SEM image illustrates parallel beam scribed pattern on CIGS using Atlantic Series picosecond laser [1].

Read more: [1] P. Gecys et al. Scribing of Thin-film Solar Cells with Picosecond Laser Pulse

 

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