1. OSRAM GmbHCI ANM EU Berliner Allee 65 86153 Augsburg Germany
2. Anorganische Chemie III − Materials Engineering and CharacterizationFakultät für Chemie and BiochemieRuhr‐Universität Bochum 44780 Bochum Germany
3. Critical Materials InstituteAmes Laboratory Ames IA 50011 USA
4. OSRAM OLED GmbH Wernerwerkstr. 2 93049 Regensburg Germany
5. Department of Materials Science and EngineeringIowa State University Ames IA 50011 USA