Thermally Induced Fullerene Domain Coarsening Process in Organic Solar Cells

Antonio Agresti, Sara Pescetelli, Yan Busby, Tom Aernouts

    Research output: Contribution to journalArticlepeer-review


    The recent advancements in power conversion efficiency for organic solar cells is still complained by their reliability and stability remaining the main bottlenecks for organic photovoltaics large scale production and commercialization. In this paper, we aim to provide further insights understanding in degradation processes affecting stability in small molecule flat heterojunction (Glass/ITO/MoO 3/ZnPc/C 60/BCP/Ag) solar cells through a systematic aging study coupled with optoelectrical characterizations. In particular, the burn-in phenomenon affecting short-circuit current in thermal-stressed samples has been clearly correlated with the C 60 domain coarsening process and eventually to the decreased exciton lifetime.

    Original languageEnglish
    Article number8544000
    Pages (from-to)678-688
    Number of pages11
    JournalIEEE Transactions on Electron Devices
    Issue number1
    Publication statusPublished - 1 Jan 2019


    • Burn-in effect
    • degradation mechanisms
    • organic solar cells (OSCs) stability
    • spectroelectrochemical characterization techniques.


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