1. Institute of Experimental Physics, Wrocław University, Maxa Borna 9, 50-204 Wrocław, Poland
2. Institute of Chemistry, Wrocław University, Joliot Curie 14, 50-383 Wrocław, Poland
3. Institute of Organic and Polymer Technology, Technical University of Wrocław, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland