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ECN publication
Record 13% efficiency screen printed silicon solar cells on Ribbon Growth on Substrate (RGS) material
Published by: Publication date:
ECN Solar Energy 11-9-2006
ECN report number: Document type:
ECN-RX--06-049 Conference Paper
Number of pages: Full text:
4 Download PDF  

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

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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