1. Faculty of Physical Chemistry
2. University of Belgrade
3. 11000 Belgrade
4. Serbia
5. Chemical and Quantum Physics Group
6. ARC Centre of Excellence in Exciton Science
7. School of Science
8. RMIT University
9. Melbourne
10. Institute of Theoretical and Computational Chemistry
11. Heinrich Heine University Düsseldorf
12. D-40225 Düsseldorf
13. Germany