1. Department of Physics, Technische Universität München, James-Franck-Str. 1, 85748 Garching, Germany
2. Center for NanoScience (CeNS), Schellingstr. 4, 80799 Munich, Germany
3. TUM School of Education, Technische Universität München, Marsstraße 12, 80335 Munich, Germany
4. Department of Theoretical Chemistry, Maria Curie-Skłodowska University, Pl. M.C. Skłodowskiej 3, 20-031 Lublin, Poland
5. Deutsches Museum, Museumsinsel 1, 80538 Munich, Germany
6. Center of Micro- and Nanochemistry and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein-Str. 2, 57068 Siegen, Germany