1. Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, SE-601 74Norrköping, Sweden
2. Wallenberg Wood Science Center, KTH Royal Institute of Technology, Teknikringen 56-58, 100 44Stockholm, Sweden
3. Department of Engineering Mechanics, KTH Royal Institute of Technology, Osquars Backe 18, 100 44Stockholm, Sweden
4. Deutsches Elektronen-Synchrotron (DESY), Notkestrasse 85, 22607Hamburg, Germany
5. RISE Research Institutes of Sweden, Bio- and Organic Electronics, Bredgatan 35, SE-602 21Norrköping, Sweden
6. Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen 56-58, 100 44Stockholm, Sweden
7. Wallenberg Wood Science Center, ITN, Linköping University, SE-601 74Norrköping, Sweden