1. BASF SE, Carbon Materials Innovation Center, 67056, Ludwigshafen, Germany
2. BASF SE, OFET Systems, 67056 Ludwigshafen, Germany
3. Innovation Lab GmbH, Speyerer Straße 4, 69115 Heidelberg, Germany
4. Max-Planck-Institute for Polymer Research (MPI-P), Ackermannweg 10, 55128 Mainz, Germany