1. Hamburg University of TechnologyInstitute of Polymer Composites Denickestrasse 15 21073 Hamburg Germany
2. Hamburg University of TechnologyInstitute of Multiphase Flows Eissendorfer Strasse 38 21073 Hamburg Germany
3. Kiel UniversityFunctional Nanomaterials, Institute for Materials Science Kaiserstrasse 2 24143 Kiel Germany