Concentrated Light for Accelerated Photo Degradation of Polymer Materials

Morten Vesterager Madsen, Thomas Tromholt, Kion Norrman, Frederik C Krebs

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Concentrated light is used to perform photochemical degradation of polymer solar cell materials with acceleration factors up to 1200. At constant temperature the photon efficiency in regards to photo degradation is constant for 1–150 suns and oxygen diffusion rates are not a limiting factor. Accelerated degradation by concentrated light thus allows for rapid and precise evaluations of one sun polymer stabilities.
Original languageEnglish
JournalAdvanced Energy Materials
Issue number4
Pages (from-to)424-427
Publication statusPublished - 2013

Bibliographical note

This work was supported by the Danish Strategic Research Council
(2104-07-0022), EUDP (j. no. 64009-0050) and PVERA-NET (project
acronym POLYSTAR).


  • Concentrated light
  • P3HT
  • Photo oxidation
  • Organic photovoltaics
  • Degradation


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