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ECN publication
Industrially feasible >19% efficiency IBC cells for pilot line processing,
Castano, F.J.; Morecroft, D.; Cascant, M.; Yuste, H.; Lamers, M.W.P.E.; Mewe, A.A.; Romijn, I.G.; Bende, E.E.; Komatsu, Y.; Weeber, A.W.; Cesar, I.
Published by: Publication date:
ECN Solar Energy 20-6-2011
ECN report number: Document type:
ECN-M--11-074 Conference Paper
Number of pages: Full text:
5 Download PDF  

Interdigitated Back Contact (IBC) solar cells with >19% efficiencies have been fabricated using n-type silicon wafers and well-demonstrated high-volume solar cell process technologies alone. Excellent current collection is implied by Jsc values as high as 41.6 mA/cm2. High Pseudo Fill Factors (PFF) of above 81% and reduced Fill Factors (FF) of below 72%, suggest that the primary losses are due to series resistance. The process flow described is currently being transferred to a pilot production line for further process development.

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