1. Department of Interfaces, Hahn‐Meitner‐Institut Berlin, D14109 Berlin, Germany
2. Department of Solar Energetics, Hahn‐Meitner‐Institut Berlin, D14109 Berlin, Germany
3. Department of Photovoltaics, Hahn‐Meitner‐Institut Berlin, D14109 Berlin, Germany
4. Department of Materials and Interfaces, Weizmann Institute of Science, Rehovot 76100, Israel