1. Institute of Solid State Physics, Leibniz University Hannover, Appelstr. 2, D-30167 Hannover, Germany
2. Institute of Physical Chemistry and Electrochemistry, Leibniz University Hannover, Callinstr. 3a, D-30167 Hannover, Germany
3. Cluster of Excellence PhoenixD (Photonics, Optics, and Engineering—Innovation Across Disciplines), D-30167 Hannover, Germany
4. Institute of Chemistry, Carl von Ossietzky University of Oldenburg, Carl-von-Ossietzky Str. 9-11, D-26129 Oldenburg, Germany
5. Université de Toulouse, INSA-CNRS-UPS, LPCNO, 135 Avenue Rangueil, 31077 Toulouse, France
6. Laboratory of Nano and Quantum Engineering (LNQE), Leibniz University Hannover, Schneiderberg 39, D-30167 Hannover, Germany