1. Module Technology DepartmentFraunhofer Institute for Solar Energy Systems ISE Freiburg Germany
2. Institute for Applied MaterialsKarlsruhe Institute of Technology (KIT) Eggenstein‐Leopoldshafen Germany
3. Department of Microsystems Engineering (IMTEK)University of Freiburg Freiburg Germany
4. Department of Sustainable Systems Engineering (INATECH)University of Freiburg Freiburg Germany