1. Institute of Materials for Electronics and Energy Technology (i-MEET), Department of Materials Science and Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, Martensstrasse 7, Erlangen 91058, Germany
2. Physical Chemistry II and Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstrasse 3, 91058 Erlangen, Germany
3. Institute of Advanced Materials (INAM), Universitat Jaume I (UJI), 12006 Castelló, Spain
4. Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy (HI ERN), Immerwahrstrasse 2, Erlangen 91058, Germany
5. The Institute for Advanced Studies, Wuhan University, Wuhan 430072, China
6. State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China