Laser increases solar cell efficiency

Dortmund, Germany--The institute IPHT, in Jena, Germany, has successfully applied the line laser technology from LIMO to crystallization of amorphous silicon solar cells (a-Si). This year LIMO introduced the L³ LIMO Line Laser for processing of thin films (e.g. solar cells).

”With LIMO technology we were able to get 50% higher current in our photovoltaic applications with multi-crystalline silicon thin film solar cells. For the first time we demonstrated an error free production of this new cell type. With this result we have opened the doors for industrial use of this highly efficient solar cell,” said Dr. Fritz Falk from IPHT. Besides the higher efficiency of the solar cells the coating quality was also enhanced.

The L³ LIMO Line Laser technology offers the advantages of laser crystallization without heating the substrate and shorter cycle time per panel (< 30 s).

For further information contact Dirk Hauschild,, or visit

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