Impact of P3HT materials properties and layer architecture on OPV device stability

Rico Meitzner, Tobias Faber, Shahidul Alam, Aman Amand, Roland Roesch, Mathias Büttner, Felix Herrmann-Westendorf, Martin Presselt, Laura Ciammaruchi, Iris Visoly-Fisher, Sjoerd Veenstra, Amaia Diaz de Zerio, Xiaofeng Xu, Ergang Wang, Christian Müller, Pavel Troshin, Martin D. Hager, Sandra Köhn, Michal Dusza, Miron KrassasSimon Züfle, E. Kymakis, Eugene A. Katz, Solenn Berson, Filip Granek, Matthieu Manceau, Francesca Brunetti, Giuseppina Polino, Ulrich S. Schubert, Monica Lira-Cantu, Harald Hoppe

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

We report a cooperative study conducted between different laboratories to investigate organic solar cell degradation with respect to P3HT material properties and different solar cell architectures. Various batches of P3HT were collected from different suppliers reflecting commercial availability as well as properties variability. Among the materials properties explicitly considered were the molar mass, dispersity, regio-regularity, impurities by trace metals and intrinsic doping evaluated from radical concentrations. Each of the participating laboratories contributing test devices applied their own layer stack, i.e. their own device architecture and layout. This variation was appreciated as another parameter for evaluation. Even though a large amount of devices failed due to extrinsic degradation effects, indeed, some materials properties were found to be more important than others for obtaining long lifetimes and high stability of P3HT-based polymer solar cells.

Original languageEnglish
Article number110151
JournalSolar Energy Materials and Solar Cells
Volume202
DOIs
Publication statusPublished - Nov 2019

Keywords

  • ISOS
  • Organic solar cells
  • P3HT
  • Stability

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