1. Carbon Materials Innovation Center (CMIC), BASF SE; 67056 Ludwigshafen Germany
2. Freiburg Materials Research Center (FMF) and Institute of Macromolecular Chemistry; University of Freiburg; Stefan-Meier-Str. 31 D-79104 Freiburg Germany
3. Joint Research Network on Advanced Materials and Systems (JONAS), BASF SE; 67056 Ludwigshafen Germany