A round robin study of flexible large-area roll-to-roll processed polymer solar cell modules

Frederik C. Krebs*, Suren A. Gevorgyan, Bobak Gholamkhass, Steven Holdcroft, Cody Schlenker, Mark E. Thompson, Barry C. Thompson, Dana Olson, David S. Ginley, Sean E. Shaheen, Husam N. Alshareef, John W. Murphy, W. Justin Youngblood, Nathan C. Heston, John R. Reynolds, Shijun Jia, Darin Laird, Sachetan M. Tuladhar, Justin G.A. Dane, Pedro AtienzarJenny Nelson, Jan M. Kroon, Martijn M. Wienk, René A.J. Janssen, Kristofer Tvingstedt, Fengling Zhang, Mattias Andersson, Olle Inganäs, Monica Lira-Cantu, Rémi de Bettignies, Stéphane Guillerez, Tom Aernouts, David Cheyns, Laurence Lutsen, Birger Zimmermann, Uli Würfel, Michael Niggemann, Hans Frieder Schleiermacher, Paul Liska, Michael Grätzel, Panagiotis Lianos, Eugene A. Katz, Wolfgang Lohwasser, Bertrand Jannon

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

208 Scopus citations


A round robin for the performance of roll-to-roll coated flexible large-area polymer solar-cell modules involving 18 different laboratories in Northern America, Europe and Middle East is presented. The study involved the performance measurement of the devices at one location (Risø DTU) followed by transportation to a participating laboratory for performance measurement and return to the starting location (Risø DTU) for re-measurement of the performance. It was found possible to package polymer solar-cell modules using a flexible plastic barrier material in such a manner that degradation of the devices played a relatively small role in the experiment that has taken place over 4 months. The method of transportation followed both air-mail and surface-mail paths.

Original languageEnglish (US)
Pages (from-to)1968-1977
Number of pages10
JournalSolar Energy Materials and Solar Cells
Issue number11
StatePublished - Nov 2009

Bibliographical note

Funding Information:
This work was supported by the Danish Strategic Research Council (DSF 2104-05-0052 and 2104-07-0022). Keith Emery at NREL is gratefully acknowledged for sharing his insights on round robin and ILS methodologies. Work at Linköping University is supported by the Swedish Energy Agency, the Knut and Alice Wallenberg Foundation and the Science Council. To the projects ENE2008-04373 and PIE-200860I134 from the Spanish Ministry of Science and Innovation (MICINN) and to the Consolider NANOSELECT project CSD2007-00041.


  • Flexible packaging
  • Inter-laboratory study
  • Polymer solar cells
  • Roll-to-roll processed
  • Round robin

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films


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