1. Laboratory for Thin Films and Photovoltaics Empa – Swiss Federal Laboratories for Materials Science and Technology Duebendorf 8600 Switzerland
2. College of Materials Science and Engineering and Engineering Research Center of Alternative Energy Materials & Devices Ministry of Education Sichuan University Chengdu 610065 China
3. Department of Chemistry University of Cologne Greinstrasse 4–6 50939 Cologne Germany
4. Laboratory for Surface Science and Coating Technologies Empa − Swiss Federal Laboratories for Materials Science and Technology Duebendorf 8600 Switzerland
5. Soft Matter Physics and Optoelectronics University of Potsdam 14476 Potsdam Germany
6. Photovoltaics and Thin Film Electronics Laboratory Institute of Electrical and Microengineering École Polytechnique Fédérale de Lausanne Neuchâtel 2002 Switzerland
7. Sustainable Energy Center Centre Suisse d'Electronique et de Microtechnique (CSEM) Jaquet‐Droz 1 Neuchâtel 2002 Switzerland
8. China‐Australia Institute for Advanced Materials and Manufacturing Jiaxing University Jiaxing Zhejiang 314001 China
9. Department of Structure and Dynamics of Energy Materials Helmholtz‐Zentrum‐Berlin 14109 Berlin Germany
10. School of Optoelectronic Science and Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province & Key Lab of Modern Optical Technologies of Education Ministry of China Soochow University Suzhou 215006 China
11. Clarendon Laboratory University of Oxford Parks Road Oxford OX1 3PU UK
12. Institut für Physik and IRIS Adlershof Humboldt‐Universität zu Berlin 12489 Berlin Germany