1. Department of Chemistry and Centre for Processable Electronics, Imperial College London, Molecular Sciences Research Hub, 80 Wood Lane, London, W12 0BZ, UK
2. POLYMAT, University of the Basque Country UPV/EHU Av. de Tolosa 72, Donostia-San Sebastián, Spain
3. Universidade da Coruña, Grupo de Polímeros, Centro de Investigacións Tecnolóxicas (CIT), Esteiro, 15471, Ferrol, Spain
4. Ikerbasque, Basque Foundation for Science, 48013, Bilbao, Spain
5. KAUST Solar Center (KSC), Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia