1. Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, SE-601 74 Norrköping, Sweden
2. Wallenberg Wood Science Center, Linköping University, SE-601 74 Norrköping, Sweden
3. Royal Institute of Technology (KTH), Dept. of Fibre and Polymer Technology, SE-100 44 Stockholm, Sweden
4. Department of Chemical Engineering, M S Ramaiah Institute of Technology, 560054 Bangalore, Karnataka India
5. FOI-Swedish Defense Research Agency, Department of Electro-Optical systems, 583 30 Linköping, Sweden