1. POLYMAT, University of the Basque Country UPV/EHU Av. de Tolosa 72, 20018, Donostia-San Sebastián, Spain
2. Group ‘Materials + Technologies’, Faculty of Engineering Guipuzcoa, University of the Basque Country (UPV/EHU), Plaza Europa 1, 20018 Donostia, Spain
3. Faculty of Engineering Vitoria-Gasteiz, University of the Basque Country (UPV/EHU), C/Nieves Cano 12, 01006 Vitoria-Gasteiz, Spain
4. CIC nanoGUNE BRTA, 20018 Donostia-San Sebastian, Basque Country, Spain
5. IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Basque Country, Spain
6. Centro de Física de Materiales CFM-MPC (CSIC-UPV/EHU), 20018 Donostia-San Sebastian, Basque Country, Spain
7. ALBA Synchrotron Light Source, NCD-SWEET Beamline, 08290 Cerdanyola del Vallès, Spain
8. Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 27599, USA
9. Department of Physics and Organic and Carbon Electronics Laboratories (ORaCEL), North Carolina State University, Raleigh, NC, 27695, USA
10. Universidade da Coruña, Grupo de Polímeros, Centro de Investigacións Tecnolóxicas (CIT), Esteiro, 15471 Ferrol, Spain
11. Ikerbasque, Basque Foundation for Science, 48013 Bilbao, Spain