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Titel:
Record 13% efficiency screen printed silicon solar cells on Ribbon Growth on Substrate (RGS) material
 
Auteur(s):
 
Gepubliceerd door: Publicatie datum:
ECN Zonne-energie 11-9-2006
 
ECN publicatienummer: Publicatie type:
ECN-RX--06-049 Conferentiebijdrage
 
Aantal pagina's: Volledige tekst:
4 Download PDF  (208kB)

Gepresenteerd op: 21st European Photovoltaic Solar Energy Conference and Exhibition, Dresden, Germany, 4-8 september 2006.

Samenvatting:
Direct casting of silicon into wafers allows to produce wafers much more cheaply than in traditional block casting methods. RGS (Ribbon Growth on Substrate) is such a method. In order for RGS to be cost effective sufficient cell efficiencies must be realized. In this paper we present 13.0% efficient screen printed RGS cells. This is an increase of 0.6% absolute compared to the best previous result reported in January 2005. The increase was achieved by reducing shunting in cells made on RGS material. The cells have been made both with alkaline etching of the wafer and with iso texturing.


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