1. Central Facility of Electron Microscopy, Electron Microscopy Group of Materials Science, Universität Ulm, 89081 Ulm, Germany.
2. Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany.
3. Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, Germany.
4. School of Science and Technology, Nottingham Trent University, NG11 8NS Nottingham, UK.
5. Faculty of Electrical and Computer Engineering, Technische Universität Dresden, 01069 Dresden, Germany.
6. Max Planck Institute for Solid State Research, 70569 Stuttgart, Germany.
7. Department of Chemistry, Ludwig-Maximilians-Universität München, 81377 Munich, Germany.
8. Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Guangdong Engineering Technology Research Center for High-Performance Organic and Polymer Photoelectric Functional Films, School of Chemistry, Sun Yat-Sen University, 510275 Guangzhou, P.R. China.
9. Helmholtz Center Dresden-Rossendorf, Institute of Research Ecology, Leipzig Research Branch, 04318 Leipzig, Germany.
10. Department of Chemistry, Yonsei University, 03722 Seoul, Republic of Korea.