Exciton coupling in diketopyrrolopyrrole–helicene derivatives leads to red and near-infrared circularly polarized luminescence† †Electronic supplementary information (ESI) available. See DOI: 10.1039/c7sc04312k

Institut des Sciences Chimiques de Renne Rennes Cedex, France. E-mail: ludovic.fave univ-rennes1.fr Faculty of Chemistry, Jagiellonian Unive Poland Aix Marseille University, CNRS, Centrale M Dipartimento di Chimica e Chimica Indust 56124, Pisa, Italy. E-mail: lorenzo.dibari@u Laboratoire de Chimie Organique et Analyt de la Formation Continue, 2000 Bardo, Tun Department of Chemistry, University at Buff NY 14260, USA. E-mail: [email protected] University of Gabés, Faculty of Science of G † Electronic supplementary informa 10.1039/c7sc04312k ‡ Current address: Université de Genève Quai Ernest-Ansermet 30, 1211 Genève 4, Cite this: Chem. Sci., 2018, 9, 735