1. King Abdullah University of Science and Technology (KAUST) KAUST Solar Center (KSC) Thuwal 23955‐6900 Kingdom of Saudi Arabia
2. Department of Chemistry and Centre for Processable Electronics Imperial College London SW72AZ UK
3. King Abdullah University of Science and Technology (KAUST) Core Labs Thuwal 23955‐6900 Kingdom of Saudi Arabia
4. Department of Physics National Technical University of Athens Athens GR‐15780 Greece
5. Department of Chemistry Chemistry Research Laboratory University of Oxford Oxford OX1 3TA UK