1. imec, Kapeldreef 75, 3001 Leuven, Belgium
2. Department of Electrical Engineering (ESAT), KU Leuven, Kasteelpark Arenberg 10, 3001 Leuven, Belgium
3. Department of Chemistry, Faculty of Sciences, KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
4. imec, Partner in Solliance and Energyville, Thin Film PV, Thor Park 8320, 3600 Genk, Belgium
5. cMACS, Department of Microbial and Molecular Systems, KU Leuven, 3001 Leuven, Belgium
6. Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany