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ECN publicatie:
Titel:
Towards 21% efficient n-Cz IBC based on screen printing
 
Auteur(s):
 
Gepubliceerd door: Publicatie datum:
ECN Zonne-energie 5-9-2011
 
ECN publicatienummer: Publicatie type:
ECN-M--11-010 Conferentiebijdrage
 
Aantal pagina's: Volledige tekst:
4 Download PDF  (352kB)

Samenvatting:
Interdigitated Back Contact (IBC) cells have been fabricated at ECN laboratories with a best cell efficiency of 19.1%, using n-type Cz material and a process flow based on all-screen-printed patterning and metallization. Excellent current collection due to an optimized FSF is demonstrated by a Jsc value as high as 41.5 mA/cm2, corrected for spectral mismatch, and a Voc of 641 mV. The results show high Pseudo Fill Factors (PFF) of above 81% but lower Fill Factors (FF) of below 72%.


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