1. Soft Matter PhysicsInstitute of Physics and AstronomyUniversity of Potsdam Karl‐Liebknecht‐Str. 24‐25 14476 Potsdam‐Golm Germany
2. Disordered Semiconductor OptoelectronicsInstitute of Physics and AstronomyUniversity of Potsdam Karl‐Liebknecht‐Str. 24‐25 14476 Potsdam‐Golm Germany
3. Department of PhysicsChemistry and Biology (IFM)Linköping University 581 83 Linköping Sweden
4. Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
5. College of Chemistry and Chemical EngineeringCentral South University Changsha 410083 P. R. China