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Different aspects of seed layer-printed and light-induced plated front side contacts

 
: Hörteis, M.; Bartsch, J.; Radtke, V.; Filipovic, A.; Glunz, S.W.

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Volltext urn:nbn:de:0011-n-1433143 (129 KByte PDF)
MD5 Fingerprint: b88927ee98e60ecd2f97c170e925ce7c
Erstellt am: 15.8.2012


Sinke, W. ; WIP - Renewable Energies, München; European Commission; UNESCO; World Council for Renewable Energy; International Photovoltaic Equipment Association:
24th European Photovoltaic Solar Energy Conference 2009. CD-ROM : The compiled State-of-the-Art of PV Solar Technology and Deployment. Proceedings of the International Conference held in Hamburg, 21-25 September 2009
München, 2009
ISBN: 3-936338-25-6
S.985-988
European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC) <24, 2009, Hamburg>
Englisch
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ISE ()

Abstract
The properties of fine-line printed contacts on silicon solar cells, in combination with light-induced plating (LIP), are investigated. The seed layers are printed using an aerosol system and a new metallization ink called SISC developed at Fraunhofer ISE. The influence of multiple layer printing on the contact geometry is studied as well as the influence of the contact height on the line resistivity and on the contact resistance. As the line resistivity of fine-line printed fingers needs to be reduced by LIP, three different plating electrolytes are tested on solar cells. The observed differences in line resistivity between f = 5×10-8 ?m and 2×10-8 ?m are explained by taking SEM pictures of the grown LIP silver. Finally, the optimum LIP height for different line resistivities is calculated and experimentally confirmed by processing solar cells with an increasing amount of LIP silver.

: http://publica.fraunhofer.de/dokumente/N-143314.html