1. Department of Physics and Centre for Processable Electronics Imperial College London London SW7 2AZ UK
2. Department of Chemistry and Centre for Processable Electronics Imperial College London White City Campus London W12 0BZ UK
3. Department of Chemistry Education Graduate Department of Chemical Materials Institute for Plastic Information and Energy Materials Sustainable Utilization of Photovoltaic Energy Research Center Pusan National University 46241 Busan Republic of Korea
4. CSE team Innovation Center Samsung Electronics, Co. Ltd. 1 Samsungjeonja‐ro Hwasung‐si Gyeonggi‐do 18448 Republic of Korea
5. Organic Materials Lab Samsung Advanced Institute of Technology Samsung Electronics Co. Ltd. Samsung‐ro, Yeongtong‐gu Suwon‐si Gyeonggi‐do 16678 Republic of Korea
6. SPECIFIC IKC Faculty of Science and Engineering Swansea University Swansea SA2 7AX UK