1. Department of Materials Science and Engineering; Institute of Materials for Electronics and Energy Technology (i-MEET); Friedrich-Alexander-Universität Erlangen-Nürnberg; Martensstrasse 7 91058 Erlangen Germany
2. Erlangen Graduate School in Advanced Optical Technologies (SAOT); Paul-Gordan-Str.6 91052 Erlangen Germany
3. Nanograde Ltd; Laubisruetistrasse 50 8712 Staefa Switzerland
4. CAS Key Laboratory of Organic Solids; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 China
5. Department of Materials Science and Engineering; Institute of Micro- and Nanostructure Research and Center for Nanoanalysis and Electron Microscopy (CENEM); Friedrich-Alexander-Universität Erlangen-Nürnberg; Cauerstraße 6 91058 Erlangen Germany
6. Bavarian Center for Applied Energy Research (ZAE Bayern); Haberstr. 2a 91058 Erlangen Germany