1. Institute of Nanostructure Technologies and Analytics (INA), Technological Electronics, University of Kassel, Heinrich-Plett-Str. 40, Kassel D-34132, Germany
2. Macromolecular Chemistry and Molecular Materials, University of Kassel, Heinrich-Plett-Str. 40, Kassel D-34132, Germany
3. Institute of Nanostructure Technologies and Analytics (INA), Nanophotonics, University of Kassel, Heinrich-Plett-Str. 40, Kassel D-34132, Germany
4. Center for Interdisciplinary Nanostructure Science and Technology (CINSaT), University of Kassel, Heinrich-Plett-Str. 40, Kassel D-34132, Germany