1. Institute of Physical and Theoretical Chemistry, Eberhard Karls University of Tübingen, Auf der Morgenstelle 18, D-72076 Tübingen, Germany
2. Cluster of Excellence PhoenixD (Photonics, Optics, and Engineering─Innovation Across Disciplines), Welfengarten 1A, D-30167 Hannover, Germany
3. Institute of Physical Chemistry and Electrochemistry, Leibniz University Hannover, Callinstr. 3A, D-30167 Hannover, Germany
4. Natural and Medical Sciences Institute, Eberhard Karls University of Tübingen, Markwiesenstr. 55, D-72770 Reutlingen, Germany
5. Institute of Applied Physics, Eberhard Karls University of Tübingen, Auf der Morgenstelle 10, D-72076 Tübingen, Germany
6. Institute of Inorganic Chemistry, Eberhard Karls University of Tübingen, Auf der Morgenstelle 18, D-72076 Tübingen, Germany