Combined Characterization Techniques to Understand the Stability of a Variety of Organic Photovoltaic Devices - the ISOS-3 inter- laboratory collaboration

Monica Lira-Cantu, David M. Tanenbaum, Kion Norrman, Eszter Voroshazi, Martin Hermenau, Matthew T. Lloyd, Gerardo Teran-Escobar, Yulia Galagan, Birger Zimmermann, Markus Hösel, Henrik Friis Dam, Mikkel Jørgensen, Suren Gevorgyan, Laurence Lutsen, Dirk Vanderzande, Harald Hoppe, Roland Rösch, Uli Würfel, Ronn Andriessen, Agnès RivatonGülşah Y. Uzunoğlu, David Germack, Birgitta Andreasen, Morten Vesterager Madsen, Eva Bundgaard, Frederik C Krebs

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Abstract

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
Volume8472
Number of pages6
ISSN0277-786X
DOIs
Publication statusPublished - 2012
EventReliability of Photovoltaic Cells, Modules, Components, and Systems V - San Diego, CA, United States
Duration: 13 Aug 201216 Aug 2012

Conference

ConferenceReliability of Photovoltaic Cells, Modules, Components, and Systems V
CountryUnited States
CitySan Diego, CA
Period13/08/201216/08/2012

Keywords

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

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