1. Laboratory of Organic Electronics Department of Science and Technology (ITN) Linköping University SE-60174 Norrköping Sweden
2. Wallenberg Wood Science Center Department of Science and Technology (ITN) Linköping University SE-60174 Norrköping Sweden
3. Department of Physics Chemistry and Biology (IFM) Linköping University SE-58183 Linköping Sweden
4. Department of Chemistry College of Science Korea University 136-713 Seoul Republic of Korea
5. College of Materials Science and Engineering Ocean University of China 266100 Qingdao P. R. China
6. Department of Fiber and Polymer Technology School of Engineering Sciences in Chemistry Biotechnology and Health KTH Royal Institute of Technology 10044 Stockholm Sweden