1. Centre for Innovation Competence SiLi-nano®; Karl-Freiherr-von-Fritsch-Str. 3 06120 Halle (Saale) Germany
2. Fraunhofer Center for Silicon Photovoltaics CSP; Otto-Eißfeldt-Str. 12 06120 Halle (Saale) Germany
3. Department of Electrical Engineering; South Westphalia University of Applied Sciences; Lübecker Ring 2 59494 Soest Germany
4. Fraunhofer Application Center for Inorganic Phosphors; Branch Lab of Fraunhofer Institute for Mechanics of Materials IWM; Lübecker Ring 2 59494 Soest Germany