Inkjet printed contacts for use in photovoltaics

Using direct-write approaches in photovoltaics for metallization and contact formation can significantly reduce the cost per watt of producing photovoltaic devices. Inks have been developed for various materials, such as Ag, Cu, Ni and Al, which can be used to inkjet print metallizations for various...

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Bibliographic Details
Published in2009 34th IEEE Photovoltaic Specialists Conference (PVSC) pp. 001736 - 001738
Main Authors van Hest, M.F.A.M., Curtis, C.J., Miedaner, A., Pasquarelli, R.M., John, K., Hersh, P., Ginley, D.S.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2009
Subjects
Coatings
Conductivity
Costs
Firing
Ink
Inorganic materials
Metallization
Photovoltaic cells
Printing
Silicon
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Summary:Using direct-write approaches in photovoltaics for metallization and contact formation can significantly reduce the cost per watt of producing photovoltaic devices. Inks have been developed for various materials, such as Ag, Cu, Ni and Al, which can be used to inkjet print metallizations for various kinds of photovoltaic devices. Use of these inks results in metallization with resistivity close to those of bulk materials. By means of inkjet printing a metallization grid can be printed with better resolution, i.e. smaller lines, than screen-printing. For metallization on top of silicon photovoltaics also an ink has been developed that will facilitate the burn-through of the contact through the anti-reflection coating. Using this burn-through material may reduce the firing temperature by more than 100°C compared to conventional contact technology.
ISBN:1424429498
9781424429493
ISSN:0160-8371
DOI:10.1109/PVSC.2009.5411440