1. Department of Chemistry and Centre for Processable Electronics Imperial College London Molecular Sciences Research Hub (White City Campus) 80 Wood Lane Shepherd's Bush London W12 0BZ UK
2. School of Materials Science and Engineering Gwangju Institute of Science and Technology 123 Cheomdangwagi-ro, Buk-gu Gwangju 61005 Republic of Korea
3. Department of Physics and Centre for Processable Electronics Imperial College London South Kensington Campus London SW7 2AZ UK
4. POLYMAT and Polymer Science and Technology Department Faculty of Chemistry University of the Basque Country UPV/EHU Manuel de Lardizabal 3 Donostia—San Sebastián Spain
5. Grupo de Polímeros Departamento de Física e Ciencias da Terra Universidade da Coruña Centro de Investigacións Tecnolóxicas (CIT) Esteiro 15471 Ferrol Spain