1. School of Engineering and Materials Science and Materials Research Institute Queen Mary University of London London E1 4NS UK
2. Department of Materials and Centre for Processable Electronics Imperial College London W12 0BZ UK
3. Department of Chemistry and Centre for Processable Electronics Imperial College London W12 0BZ UK
4. Materials Science Division Lawrence Berkeley National Lab 1 Cyclotron Rd. Berkeley California 94720 USA
5. Key Lab for Special Functional Materials of Ministry of Education National & Local Joint Engineering Research Center for High‐efficiency Display and Lighting Technology School of Materials Science and Engineering and Collaborative Innovation Center of Nano Functional Materials and Applications Henan University Kaifeng 475004 China
6. Shanghai Synchrotron Radiation Facility (SSRF) Zhangjiang Laboratory Shanghai Advanced Research Institute Shanghai Institute of Applied Physics Chinese Academy of Sciences 239 Zhangheng Road Shanghai 201204 China
7. SPECIFIC IKC, College of Engineering Swansea University Swansea SA2 7AX UK
8. Molecular Foundry Lawrence Berkeley National Lab 1 Cyclotron Rd. Berkeley California 94720 USA
9. Department of Materials Science and Engineering University of California, Berkeley 210 Hearst Mining Memorial Building Berkeley CA 94720 USA