1. Shanghai Synchrotron Radiation Facility (SSRF)Zhangjiang LabShanghai Advanced Research InstituteChinese Academy of Sciences 239 Zhangheng Road Shanghai 201204 P. R. China
2. Key Laboratory of Flexible Electronics (KLOFE) & Institution of Advanced Materials (IAM)Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM)Nanjing Tech University (NanjingTech) Nanjing 211816 Jiangsu P. R. China
3. Shanghai Institute of Applied PhysicsChinese Academy of Sciences 2019 Jialuo Road Shanghai 201800 P. R. China
4. University of Chinese Academy of Sciences Beijing 100049 P. R. China
5. State Key Laboratory of Heavy Oil ProcessingChina University of Petroleum‐Beijing Beijing 102249 P. R. China
6. Institute of High Energy PhysicsChinese Academy of Sciences Beijing 100049 P. R. China
7. School of Physics and Electronic ScienceMinistry of EducationNanophotonics & Advanced Instrument Engineering Research CenterEast China Normal University Shanghai 200062 P. R. China
8. Key Laboratory of Interfacial Physics and TechnologyChinese Academy of Sciences 2019 Jia Luo Road, Jiading District Shanghai 201800 P. R. China
9. Shaanxi Institute of Flexible Electronics (SIFE)Northwestern Polytechnical University (NPU) Xi'an 710072 Shaanxi P. R. China