1. Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi’an 710119, China
2. KAUST Solar Center (KSC) and Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
3. Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
4. Dalian National Laboratory for Clean Energy, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
5. Cornell High Energy Synchrotron Source, Cornell University, Ithaca, New York 14850, United States
6. Department of Materials Science and Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States