An inter-laboratory stability study of roll-to-roll coated flexible polymer solar modules

Suren A. Gevorgyan, Andrew J. Medford, Eva Bundgaard, Subarna B. Sapkota, Hans Frieder Schleiermacher, Birger Zimmermann, Uli Würfel, Amine Chafiq, Monica Lira-Cantu, Thomas Swonke, Michael Wagner, Christoph J. Brabec, Olivier Haillant, Eszter Voroshazi, Tom Aernouts, Roland Steim, Jens A. Hauch, Andreas Elschner, Michael Pannone, Min XiaoAnthony Langzettel, Darin Laird, Matthew T. Lloyd, Thomas Rath, Eugen Maier, Gregor Trimmel, Martin Hermenau, Torben Menke, Karl Leo, Roland Rösch, Marco Seeland, Harald Hoppe, Timothy J. Nagle, Kerry B. Burke, Christopher J. Fell, Doojin Vak, Th Birendra Singh, Scott E. Watkins, Yulia Galagan, Assaf Manor, Eugene A. Katz, Taehee Kim, Kyungkon Kim, Paul M. Sommeling, Wiljan J.H. Verhees, Sjoerd C. Veenstra, Moritz Riede, M. Greyson Christoforo, Travis Currier, Vishal Shrotriya, Gregor Schwartz, Frederik C. Krebs

Research output: Contribution to journalArticlepeer-review

132 Scopus citations

Abstract

A large number of flexible polymer solar modules comprising 16 serially connected individual cells was prepared at the experimental workshop at Risø DTU. The photoactive layer was prepared from several varieties of P3HT (Merck, Plextronics, BASF and Risø DTU) and two varieties of ZnO (nanoparticulate, thin film) were employed as electron transport layers. The devices were all tested at Risø DTU and the functional devices were subjected to an inter-laboratory study involving the performance and the stability of modules over time in the dark, under light soaking and outdoor conditions. 24 laboratories from 10 countries and across four different continents were involved in the studies. The reported results allowed for analysis of the variability between different groups in performing lifetime studies as well as performing a comparison of different testing procedures. These studies constitute the first steps toward establishing standard procedures for an OPV lifetime characterization.

Original languageEnglish
Pages (from-to)1398-1416
Number of pages19
JournalSolar Energy Materials and Solar Cells
Volume95
Issue number5
DOIs
StatePublished - 1 Jan 2011

Keywords

  • Flexible modules
  • Inter-laboratory study
  • Outdoor testing
  • Polymer solar cells
  • R2R manufactured OPV
  • Round robin

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