1. Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, SE-60174, Norrköping, Sweden
2. Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, SE 90183 Umea, Sweden
3. Université de Bordeaux, Bordeaux INP, CNRS, LCPO UMR 5629, F-33615, Pessac, France
4. NCD-SWEET Beamline, ALBA Synchrotron Light Source, Carrer de la Llum 2-26, 08290 Cerdanyola del Vallès, Spain
5. Wallenberg Wood Science Center, Linköping University, SE-60174, Norrköping, Sweden
6. Institute of Electronic Structure and Laser, Foundation for Research and Technology—Hellas, P.O. Box 1527, 71110 Heraklion Crete, Greece