1. Friedrich‐Alexander‐Universität Erlangen‐Nürnberg Institute of Materials for Electronics and Energy Technology (i‐MEET) Martensstrasse 7 91058 Erlangen Germany
2. Erlangen Graduate School in Advanced Optical Technologies (SAOT) Paul‐Gordan‐Straße 6 91052 Erlangen Germany
3. Wuhan National Laboratory for Optoelectronics Huazhong University of Science and Technology Wuhan 430074 P. R. China
4. Institute for Crystallography and Structural Physics Friedrich‐Alexander‐Universität Erlangen‐Nürnberg Staudtstr. 3 91058 Erlangen Germany
5. Institute of Micro‐ and Nanostructure Research (IMN) & Center for Nanoanalysis and Electron Microscopy (CENEM) Friedrich‐Alexander‐Universität Erlangen‐Nürnberg Cauerstr. 3 91058 Erlangen Germany
6. Helmholtz Institute Erlangen‐Nürnberg for Renewable Energy (IEK‐11) Immerwahrstrasse 2 91058 Erlangen Germany
7. Institut für Physik Technische Universität Chemnitz 09126 Chemnitz Germany
8. State Key Laboratory of Luminescent Materials and Devices Institute of Polymer Optoelectronic Materials and Devices School of Materials Science and Engineering South China University of Technology 381 Wushan Road Guangzhou 510640 P. R. China