1. Photonics and Optoelectronics
Group, Department of Physics and Center for NanoScience (CeNS), Ludwig-Maximilians-Universität München, Amalienstrasse 54, 80799 München, Germany
2. Chair of Physical Chemistry,
Department of Chemistry and Catalysis Research Center, Technische Universität München, Lichtenbergstrasse
4, 85748 Garching, Germany
3. Department of Chemistry, Ludwig-Maximilians-Universität München, Butenandtstrasse 5-13 (E), 81377 München,
Germany