1. Henan Key Laboratory of Photovoltaic Materials School of Physics Henan Normal University Xinxiang 453007 China
2. Key Lab for Special Functional Materials of Ministry of Education National & Local Joint Engineering Research Center for High‐efficiency Display and Lighting Technology School of Materials Science and Engineering Collaborative Innovation Center of Nano Functional Materials and Applications Henan University Kaifeng 475004 China
3. Shanghai Synchrotron Radiation Facility (SSRF) Shanghai Advanced Research Institute Chinese Academy of Sciences 239 Zhangheng Road Shanghai 201204 P. R. China
4. Institute for Photovoltaics (ipv) University of Stuttgart Pfaffenwaldring 47 D‐70569 Stuttgart Germany
5. Helmholtz‐Zentrum Berlin für Materialien und Energie GmbH Hahn‐Meitner‐Platz 1 14109 Berlin Germany
6. Department of Chemistry Bielefeld University Universitätsstraße 25 33615 Bielefeld Germany
7. Institute of Chemical Sciences and Engineering École Polytechnique Fédéralede Lausanne (EPFL) Lausanne 1015 Switzerland
8. School of Engineering and Materials Science (SEMS) Queen Mary University of London London E1 4NS UK
9. Helmholtz Young Investigator Group FRONTRUNNER IEK5‐Photovoltaics Forschungszentrum Jülich 52425 Jülich Germany