Reversible degradation in ITO-containing organic photovoltaics under concentrated sunlight

Yulia Galagan, Asaf Mescheloff, Sjoerd C. Veenstra, Ronn Andriessen, Eugene A. Katz

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


Stabilities of ITO-containing and ITO-free organic solar cells were investigated under simulated AM 1.5G illumination and under concentrated natural sunlight. In both cases ITO-free devices exhibit high stability, while devices containing ITO show degradation of their photovoltaic performance. The accelerated degradation under concentrated sunlight (of up to 20 suns) in ITO-containing devices was found to be reversible. Dark exposure of degraded samples can partly restore performance. A possible underlying mechanism for such a phenomenon is discussed.

Original languageEnglish
Pages (from-to)3891-3897
Number of pages7
JournalPhysical Chemistry Chemical Physics
Issue number5
StatePublished - 7 Feb 2015

ASJC Scopus subject areas

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry


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