Gravure printed flexible organic photovoltaic modules

Pälvi Kopola (Corresponding Author), Tom Aernouts, Rafal Sliz, Stéphane Guillerez, Mari Ylikunnari, David Cheyns, Marja Välimäki, Markus Tuomikoski, Jukka Hast, Ghassan Jabbour, Risto Myllylä, Arto Maaninen

    Research output: Contribution to journalArticleScientificpeer-review

    134 Citations (Scopus)


    In this letter, organic solar cell modules based on poly-3-hexylthiophene (P3HT) and [6.6]-phenyl-C61-butyric acid methyl ester (PCBM) blend films with a module active area of 15.45 cm2 prepared by roll-to-roll (R2R) compatible gravure printing method are demonstrated. The gravure printed organic photovoltaic modules consist of eight serially connected solar cells in same substrate. Indium-tin-oxide (ITO) is patterned by screen printable etching paste. Hole injection layer and active layer are prepared by gravure printing method. All processing steps excluding cathode evaporation are performed in air. Electrical measurements are done to modules consisting of 5–8 serially connected solar cells. The photovoltaic modules comprising 5, 7 and 8 serially connected cells exhibit an active area power conversion efficiency of 1.92%, 1.79% and 1.68%, respectively (Oriel Sol3A Class AAA, AM1.5G, 100 mW cm−2).
    Original languageEnglish
    Pages (from-to)1344-1347
    Number of pages4
    JournalSolar Energy Materials and Solar Cells
    Issue number5
    Publication statusPublished - 2011
    MoE publication typeA1 Journal article-refereed
    Event3rd International Summit on OPV Stability, ISOS-3 - Roskilde, Denmark
    Duration: 1 Oct 2010 → …


    • Organic photovoltaics
    • Polymer solar cell
    • Gravure printing
    • Solution processing
    • Module fabrication


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