Flexible Electronics News

Imec Announces Important Step Towards Reducing Cost-of-Ownership of PERC Technology

Cells achieved average conversion efficiencies of 20.2 percent

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By: DAVID SAVASTANO

Editor, Ink World Magazine

Imec announced that it has developed large area (156x156mm2) i-PERC-type silicon solar cells using a new processing sequence based on laser doping from a thin atomic layer deposited (ALD) aluminum oxide (Al2O3) layer to realize the local aluminum Back Surface Field (BSF) and Ni/Cu plating to form the front contact. The cells achieved average conversion efficiencies of 20.2%. The new laser doping processing sequence eliminates the necessity of a firing step to create the local BSF in i-PERC s...

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