1. Max Planck Research Group for Organic Optoelectronics, Synthetic Chemistry Group, Polymer Theory Group, Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
2. Polymer Theory Group, Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
3. BASF SE; GVE/E - J542 67056 Ludwigshafen Germany
4. Synthetic Chemistry Group, Polymer Theory Group; Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany