1. Institute of Flexible Electronics (IFE), Northwestern Polytechnical University, Xi’an, Shanxi 710072, P. R. China
2. Key Laboratory of Photoelectric Conversion and Utilization of Solar Energy, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, P.R. China
3. Shanghai Synchrotron Radiation Facility (SSRF), Zhangjiang Laboratory, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, P. R. China
4. School of Management, Xián Polytechnic University, Xián 710048, P. R. China
5. Beijing Academy of Quantum Information Sciences, Beijing 100193, P. R. China
6. Division of Physical Science and Engineering, and KAUST Solar Center, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia