1. Laboratory
for Electron Microscopy, Karlsruhe Institute of Technology (KIT), Engesserstraße 7, 76131 Karlsruhe, Germany
2. Center
for Functional Nanostructures (CFN), Karlsruhe Institute of Technology (KIT), Wolfgang-Gaede-Str. 1a, 76137 Karlsruhe, Germany
3. School
of Chemistry, Bio21 Institute, University of Melbourne, 30 Flemington
Road, Parkville, Victoria 3010, Australia
4. Light
Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstraße 13, 76131 Karlsruhe, Germany
5. Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.
6. Polymer
Engineering
and Technology Division, Wroclaw University of Technology, Wybrzeze
Wyspianskiego 27, 50-370 Wroclaw, Poland