1. Institut
de Recherche de Chimie Paris CNRS Chimie ParisTech, PSL Research University, 11 rue P. et M. Curie, F-75005 Paris 05, France
2. Dipartimento
di Farmacia-Scienze del Farmaco, Università di Bari “Aldo Moro”, Via Orabona, 4, I-70126 Bari, Italy
3. Department
of Chemical and Geological Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125 Modena, Italy
4. Dipartimento
di Fisica, Università di Trento, Via Sommarive 14, 38123 Povo-Trento, Italy
5. Group
Linear Conjugated Systems, CNRS UMR 6200, Moltech-Anjou, University of Angers, 2 Bd Lavoisier, 49045 Angers, France