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Emitter dark saturation currents of high-efficiency solar cells with inverted pyramids

: Glunz, S.W.; Sterk, S.; Steeman, R.; Warta, W.; Knobloch, J.; Wettling, W.

Volltext urn:nbn:de:0011-n-2095423 (760 KByte PDF)
MD5 Fingerprint: 608ef8422393a1081cdcf44231aac329
Erstellt am: 9.11.2012

Freiesleben, W. (Hrsg.):
Thirteenth European Photovoltaic Solar Energy Conference 1995. Proceedings. Vol.1 : International conference held at Nice, France 23 - 27 October, 1995
Bedford: Stephens, 1995
ISBN: 0-9521452-5-1
ISBN: 0-9521452-7-8
European Photovoltaic Solar Energy Conference <13, 1995, Nice>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ISE ()

In this paper an optimization study for the oxide passivated selective emitter of high-efficiency Silicon solar cells is presented. Results of solar cells with different emitter profiles are compared with measurements of the dark saturation current determined at test structures, which have been processed in parallel. Especially the combined effect of process parameters and surface morphology (e.g. inverted pyramids) is investigated. It was found that optimizations for untextured surfaces can not be directly transferred to textured surfaces. Within this study efficiencies up to 22.3 % have been reached.