1. Organic Semiconductor Centre SUPA School of Physics and Astronomy University of St Andrews St Andrews KY16 9SS UK
2. Humboldt Centre for Nano‐ and Biophotonics Department of Chemistry University of Cologne Greinstr. 4‐6 50939 Köln Germany
3. Organic Semiconductor Centre EaStCHEM School of Chemistry University of St Andrews St Andrews KY16 9ST UK
4. Unité de Chimie Physique Théorique et Structurale & Laboratoire de Physique du Solide Namur Institute of Structured Matter Université de Namur Rue de Bruxelles, 61 Namur 5000 Belgium