Details

Autor(en) / Beteiligte

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

Titel

Stability of Polymer Solar Cells

Ist Teil von

• Advanced materials (Weinheim), 2012-02, Vol.24 (5), p.580-612

Ort / Verlag

Weinheim: WILEY-VCH Verlag

Erscheinungsjahr

2012

Link zum Volltext

Quelle

MEDLINE

Beschreibungen/Notizen

• 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. Polymer and organic solar cells are reviewed with respect to the progress in stability and reporting operational stability. The research presented here points to a growing understanding of how to control the chemical and physical processes of these increasingly complex devices ultimately enabling wide‐spread application.