1. Institute of Physics
2. University of Freiburg
3. 79104 Freiburg
4. Germany
5. Hermann Staudinger Graduate School
6. School of Materials Science & Engineering
7. Zhengzhou University
8. Zhengzhou 450002
9. People's Republic of China
10. Chair of Chemical Materials Science
11. Department of Chemistry
12. University of Konstanz
13. 78464 Konstanz
14. Freiburg Materials Research Centre
15. Institute of Macromolecular Chemistry