1. Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1951 Sion, Switzerland
2. Istituto di Scienze
e Tecnologie Molecolari del Consiglio Nazionale delle Ricerche, CNR-ISTM, via Golgi 19, I-20133 Milano, Italy
3. Laboratory
of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, Lausanne CH-1015, Switzerland
4. Laboratory of Quantum Optoelectronics, Institute of Physics, École Polytechnique Fédérale de Lausanne, Lausanne CH-1015, Switzerland
5. Computational
Laboratory for Hybrid Organic Photovoltaics (CLHYO), CNR-ISTM, via Elce di Sotto 8, I-06123 Perugia, Italy