1. Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany, http://www.uni‐stuttgart.de/ipoc/msf/index_en.html
2. Institute of Inorganic Chemistry, University of Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
3. Institute of Organic Chemistry, University of Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
4. Institute of Textile Chemistry and Chemical Fibers, Körschtalstr. 26, 73770 Denkendorf, Germany, http://www.itcf‐denkendorf.de/en/