Printed metal back electrodes for R2R fabricated polymer solar cells studied using the LBIC technique

Frederik C Krebs, Roar Søndergaard, Mikkel Jørgensen

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    The performance of printable metal back electrodes for polymer solar cells were investigated using light beam induced current (LBIC) mapping of the final solar cell device after preparation to identify the causes of poor performance. Three different types of silver based printable metal inks were employed. Organic solvent based, UV-curable and water based silver inks were tested. Both grid electrodes and full electrodes were employed and it was shown via the grid electrode that the organic solvent based ink adversely affects the device performance under the printed metal whereas both the UV-curable and the water based inks were neutral to improving device performance. Complete roll-to-roll (R2R) processed modules were also tested and some limitations of the LBIC technique was identified for serially connected modules.
    Original languageEnglish
    JournalSolar Energy Materials & Solar Cells
    Volume95
    Issue number5
    Pages (from-to)1348-1353
    ISSN0927-0248
    DOIs
    Publication statusPublished - 2011

    Bibliographical note

    This work was supported by the Danish Strategic Research Council (DSF 2104-05-0052 and 2104-07-0022), EUDP (j. nr. 64009-0050) and PV ERA-NET transnational POLYMOL project PolyStaR.

    Keywords

    • Polymer solar cells
    • Solar energy

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