1. Organic Semiconductor Centre, EaStCHEM School of Chemistry, University of St. Andrews, St. Andrews, U.K. KY16 9ST
2. Soft Matter Optoelectronics, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
3. Laboratory for Chemistry of Novel Materials, University of Mons, 7000 Mons, Belgium
4. BIMF, University of Bayreuth, 95447 Bayreuth, Germany
5. Unité de Chimie Physique Théorique et Structurale & Laboratoire de Physique du Solide, Namur Institute of Structured Matter, Université de Namur, Rue de Bruxelles, 61, 5000 Namur, Belgium