1. School of Materials Science and Engineering Henan Normal University Xinxiang 453007 China
2. Shanghai Synchrotron Radiation Facility (SSRF) Shanghai Advanced Research Institute Shanghai Institute of Applied Physics Chinese Academy of Sciences 239 Zhangheng Road Shanghai 201204 China
3. Institute for Photovoltaics University of Stuttgart Pfaffenwaldring 47 Suttgart 70569 Germany
4. Henan Key Laboratory of Photovoltaic Materials, School of Physics Henan Normal University Xinxiang 453007 China
5. School of Engineering and Materials Science (SEMS) Queen Mary University of London London E1 4NS UK
6. Key Lab for Special Functional Materials Ministry of Education National & Local Joint Engineering Research Center for High‐Efficiency Display and Lighting Technology School of Materials Science and Engineering and Collaborative Innovation Center of Nano Functional Materials and Applications Henan University Kaifeng 475004 China