1. Division of Physical Sciences and Engineering, and KAUST Solar Center (KSC) King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
2. Department of Chemistry and Chemical Engineering Chalmers University of Technology Göteborg 41296 Sweden
3. POLYMAT University of the Basque Country UPV/EHU Av. de Tolosa 72 20018 San Sebastián Spain
4. Department of Chemistry and Center for Plastic Electronics Imperial College London London W120BZ UK
5. King Abdullah University of Science and Technology Core Labs Thuwal 23955 Saudi Arabia
6. Ikerbasque Basque Foundation for Science Bilbao 481013 Spain
7. Departamento de Física e Ciencias da Terra Centro de Investigacións Tecnolóxicas (CIT) Universidade da Coruña, Grupo de Polímeros Esteiro 15471 Ferrol Spain