Scalable, ambient atmosphere roll-to-roll manufacture of encapsulated large area, flexible organic tandem solar cell modules

Thomas R. Andersen, Henrik F. Dam, Markus Hösel, Martin Helgesen, John E. Carlé, Thue T. Larsen-Olsen, Suren A. Gevorgyan, Jens W. Andreasen, Jens Adams, Ning Li, Florian Machui, George D. Spyropoulos, Tayebeh Ameri, Noëlla Lemaître, Mathilde Legros, Arnulf Scheel, Detlef Gaiser, Kilian Kreul, Stephane Berny, Owen R. LozmanSirpa Nordman, Marja Välimäki, Marja Vilkman, Roar R. Søndergaard, Mikkel Jørgensen, Christoph J. Brabec, Frederik C. Krebs

    Research output: Contribution to journalArticleScientificpeer-review

    200 Citations (Scopus)

    Abstract

    Inline printing and coating methods have been demonstrated to enable a high technical yield of fully roll-to-roll processed polymer tandem solar cell modules. We demonstrate generality by employing different material sets and also describe how the ink systems must be carefully co-developed in order to reach the ambitious objective of a fully printed and coated 14-layer flexible tandem solar cell stack. The roll-to-roll methodologies involved are flexographic printing, rotary screen printing, slot-die coating, X-ray scattering, electrical testing and UV-lamination. Their combination enables the manufacture of completely functional devices in exceptionally high yields. Critical to the ink and process development is a carefully chosen technology transfer to industry method where first a roll coater is employed enabling contactless stack build up, followed by a small roll-to-roll coater fitted to an X-ray machine enabling in situ studies of wet ink deposition and drying mechanisms, ultimately elucidating how a robust inline processed recombination layer is key to a high technical yield. Finally, the transfer to full roll-to-roll processing is demonstrated
    Original languageEnglish
    Pages (from-to)2925-2933
    JournalEnergy and Environmental Science
    Volume7
    Issue number9
    DOIs
    Publication statusPublished - 2014
    MoE publication typeA1 Journal article-refereed

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