1. Enikolopov Institute of Synthetic Polymeric Materials of the Russian Academy of Sciences, Profsoyuznaya 70, Moscow 117393, Russia
2. H.C. Starck Clevios GmbH, Chempark Leverkusen, Build. B202, 51368 Leverkusen, Germany
3. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova 28, 119991 Moscow, Russia
4. Philips Research Laboratories, High Tech Campus 4, 5656 AE Eindhoven, The Netherlands
5. Molecular Electronics, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
6. Holst Centre/TNO, High Tech Campus 34, 5656 AE Eindhoven, The Netherlands
7. Department of Applied Physics, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands