1. Institute of Organic Chemistry (IOC) Karlsruhe Institute of Technology (KIT) Fritz-Haber-Weg 6 76131 Karlsruhe Germany
2. Department of Chemistry, Technische Universität Kaiserslautern (TUK) Erwin-Schrödinger-Str. 52 67663 Kaiserslautern Germany
3. Department of Physics, Technische Universität Kaiserslautern (TUK) Erwin-Schrödinger-Str. 46 67663 Kaiserslautern Germany
4. Institute of Physical Chemistry Karlsruhe Institute of Technology (KIT) Fritz-Haber Weg 2 76131 Karlsruhe Germany
5. Department of Chemistry University of Helsinki P. O. Box 55 Helsinki 00014 Finland
6. Institute of Nanotechnology Karlsruhe Institute of Technology Herman-von Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
7. Research Center OPTIMAS Erwin-Schrödinger-Str. 46 67663 Kaiserslautern Germany
8. Institute of Biological and Chemical Systems Functional Molecular Systems (IBCS-FMS) Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany