1. Department of Chemistry & IRIS Adlershof, Humboldt University of Berlin, 12489 Berlin, Germany
2. Institute of Organic Chemistry II and Advanced Materials, Ulm University, 89081 Ulm, Germany
3. Institut für Physik, Humboldt-Universität zu Berlin, IRIS Adlershof, 12489 Berlin, Germany
4. Bundesanstalt für Materialforschung und -prüfung (BAM), 12205 Berlin, Germany
5. Department for Electrochemical Energy Storage, Helmholtz-Zentrum Berlin für Materialien und Energie, 14109 Berlin, Germany
6. Institute of Organic Chemistry, University of Freiburg, 79104 Freiburg, Germany