1. Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy
2. Eni S.p.A, Novara Laboratories (NOLAB), Renewable, New Energies and Material Science Research Center (DE-R&D), Via G. Fauser 4, I-28100 Novara, Italy
3. Laboratory for Molecular Engineering of Optoelectronic Nanomaterials, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland