1. Center
for Nano Science and Technology @ Polimi, Istituto Italiano di Tecnologia, via Giovanni Pascoli 70/3, 20133, Milan, Italy
2. Department
of Nanochemistry, Istituto Italiano di Tecnologia, via Morego, 30, 16163 Genova, Italy
3. Institute
of Crystallography, National Research Council, via Amendola 122/O, Bari 70126, Italy
4. Computational
Laboratory for Hybrid/Organic Photovoltaics (CLHYO), CNR-ISTM, I-06123, Perugia, Italy
5. Department
of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford, OX1 3PU, United Kingdom