1. Institute
of Chemistry, Technical University of Berlin, Strasse des 17. Juni 135, D-10623 Berlin, Germany
2. Institute
of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
3. Polymer
Institute, Slovak Academy of Sciences, Dúbravská cesta 9, SK-84541 Bratislava, Slovakia
4. Center
for Advanced Materials, Qatar University, P.O. Box 2713, Doha, Qatar
5. Department
of Inorganic Chemistry, Faculty of Natural Sciences, Comenius University, SK-84215 Bratislava, Slovakia
6. Department
of Physics, University of Patras, GR-26504 Patras, Greece