1. Département de physique & Regroupement québécois sur les matériaux de pointe
2. Université de Montréal
3. Montréal
4. Canada
5. Department of Materials and Centre for Plastic Electronics
6. Imperial College London
7. London
8. UK
9. Division of Physical Sciences and Engineering
10. Department of Chemistry and Centre for Plastic Electronics
11. Institute of Information Photonics Technology and College of Applied Sciences
12. Beijing University of Technology
13. Beijing 100124
14. P. R. China
15. Department of Physics