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The EU Project R2M-Si on roll to module processed crystalline silicon thin-films

: Lindekugel, S.; Therheiden, B.; Pavlovic, R.; Nieuwenhuysen, K. van; Petterson, T.; Astrova, E.; Straboni, A.; Kühnlein, H.H.; Reber, S.

Volltext urn:nbn:de:0011-n-3112716 (490 KByte PDF)
MD5 Fingerprint: 2cc89ffb9a6fef88dc3f21396d02b468
Erstellt am: 21.11.2014

Bokhoven, T.P. ; European Commission:
29th European Photovoltaic Solar Energy Conference and Exhibition, EU PVSEC 2014 : Proceedings of the international conference held in Amsterdam, The Netherlands, 22 - 26 September 2014, DVD
München: WIP, 2014
ISBN: 3-936338-34-5
European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC) <29, 2014, Amsterdam>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ISE ()
Materialien - Solarzellen und Technologie; Silicium-Photovoltaik; Kristalline Silicium-Dünnschichtsolarzellen; integrated c-Si thin film solar cells; epitaxy; reorganisation

This paper presents a summary of the EU project "roll to module processed crystalline silicon thin-films" (R2M-Si). The aim of this project was to lift off c-Si-thin-films in a cost effective manner, and to process them to integrated interconnected solar cells. One major goal was therefore to provide Si foil material for solar cells with a high efficiency potential. Within the R2M-Si project both the theoretical understanding and the actual process development of porosifying and detaching layers from flat wafers as well as from the circumference of a silicon rod have been investigated. Studies on crystal orientation dependence of the porosification along with tool development towards a continuous formation of a separation layer were accompanied by in depth understanding and thus optimization of the reorganization and subsequent epitaxial growth process. Finally the introduction of a special attachment process and an integrated solar cell concept could be achieved.