1. Department Solar Cells-Development and Characterization, Fraunhofer Institute for Solar Energy Systems, Freiburg, Germany
2. Young Investigator Group Perovskite Tandem Solar Cells, Helmholtz-Zentrum Berlin, Berlin, Germany
3. Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, Sion, Switzerland
4. Laboratory for Photomolecular Science, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
5. Institute for Silicon Photovoltaics, Helmholtz-Zentrum Berlin, Berlin, Germany
6. Laboratory for Photonics Swiss Federal Institute of Technology, École Polytechnique Fédérale de Lausanne, Lausanne CH, Switzerland
7. Department Solar Cells - Development and Characterization, Fraunhofer Institute for Solar Energy Systems, Freiburg, Germany