Stability of Polymer Solar Cells

Mikkel Jorgensen, Kion Norrman, Suren A. Gevorgyan, Thomas Tromholt, Birgitta Andreasen, Frederik C. Krebs

Research output: Contribution to journalReview articlepeer-review

1262 Citations (Scopus)


Organic photovoltaics (OPVs) evolve in an exponential manner in the two key areas of efficiency and stability. The power conversion efficiency (PCE) has in the last decade been increased by almost a factor of ten approaching 10%. A main concern has been the stability that was previously measured in minutes, but can now, in favorable circumstances, exceed many thousands of hours. This astonishing achievement is the subject of this article, which reviews the developments in stability/degradation of OPVs in the last five years. This progress has been gained by several developments, such as inverted device structures of the bulk heterojunction geometry device, which allows for more stable metal electrodes, the choice of more photostable active materials, the introduction of interfacial layers, and roll-to-roll fabrication, which promises fast and cheap production methods while creating its own challenges in terms of stability.
Original languageEnglish
Pages (from-to)580-612
JournalAdvanced Materials
Issue number5
Publication statusPublished - 29 Dec 2011
Externally publishedYes


  • Polymer solar cells
  • organic solar cells
  • stability
  • degradation


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