Analysis of the failure mechanism for a stable organic photovoltaic during 10 000 h of testing

Publication: Research - peer-reviewJournal article – Annual report year: 2007

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The degradation and failure mechanisms of a stable photovoltaic device comprising a bilayer heterojunction formed between poly(3-carboxythiophene-2,5-diyl-co-thiophene-2,5-diyl) (P3CT) and Buckminsterfullerene (C-60) sandwiched between indium tin oxide (ITO) and aluminium (Al) electrodes were elucidated by the time-of-flight secondary ion mass spectrometry (TOF-SIMS) analysis in conjunction with isotopic labelling using O-18(2) after a total testing time of 13 000 h. This experiment allowed us to understand the chemistry that takes place in three dimensions during degradation and failure of the device under accelerated testing conditions. The cell was subjected to continuous illumination with an incident light intensity of 1000 W m(-2) (AM1.5) at 72 +/- 2 degrees C under a vacuum of
Original languageEnglish
JournalProgress in Photovoltaics: Research and Applications
Publication date2007
Volume15
Journal number8
Pages697-712
ISSN1062-7995
DOIs
StatePublished

Bibliographical note

This work was supported by the Danish Technical
Research Council (STVF 2058-03-0016, STVF 26-
04-0073) and the Danish Strategic Research Council
(DSF 2104-04-0030, DSF 2104-05-0052).

CitationsWeb of Science® Times Cited: 217
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