* Corresponding authors

^a Organic Functional Molecules, Organic Chemistry, University of Wuppertal, Gaußstraße 20, 42119 Wuppertal, Germany
E-mail: delaittre@uni-wuppertal.de

^b Physical and Theoretical Chemistry, University of Wuppertal, Gaußstraße 20, 42119 Wuppertal, Germany

^c Laboratory of Applied Chemistry, Institute of Organic Chemistry (IOC), Karlsruhe Institute of Technology (KIT), Straße am Forum 7, 76131 Karlsruhe, Germany

^d Wuppertal Center for Smart Materials & Systems (CM@S), University of Wuppertal, Gaußstraße 20, 42119 Wuppertal, Germany