1. Linköping University
2. Department of Science and Technology
3. Laboratory of Organic Electronics
4. Sweden
5. Bordeaux INP
6. Université de Bordeaux
7. CNRS
8. 33600 Pessac
9. France
10. University of Milano-Bicocca
11. Department of Material Science
12. I-20125 Milano
13. Italy
14. Department of Physics, Chemistry and Biology
15. Linköping