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This work is part of the inter-laboratory collaboration to study the stability of seven distinct sets of state-of-the-art organic photovoltaic (OPVs) devices prepared by leading research laboratories. All devices have been shipped to and degraded at the Danish Technical University (DTU, formerly RISO-DTU) up to 1830 hours in accordance with established ISOS-3 protocols under defined illumination conditions. In this work we present a summary of the degradation response observed for the NREL sample, an inverted OPV of the type ITO/ZnO/P3HT:PCBM/PEDOT:PSS/Ag/Al, under full sun stability test. The results reported from the combination of the different characterization techniques results in a proposed degradation mechanism. The final conclusion is that the failure of the photovoltaic response of the device with time under full sun solar simulation, is mainly due to the degradation of the electrodes and not to the active materials of the solar cell.
Original languageEnglish
Article number847203
JournalProceedings of SPIE, the International Society for Optical Engineering
Publication date2012
Volume8472
Number of pages6
ISSN0277-786X
DOIs
StatePublished

Conference

ConferenceReliability of Photovoltaic Cells, Modules, Components, and Systems V
CountryUnited States
CitySan Diego, CA
Period13/08/1216/08/12
CitationsWeb of Science® Times Cited: 1

Keywords

  • Polymer solar cells, Organic solar cells, Stability, Metal electrodes, Polymer/metal interaction, Degradation
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