1. State Key Laboratory and Institute of Elemento-Organic Chemistry; Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); School of Materials Science and Engineering; Nankai University; Tianjin 300071 China
2. Division of Physics and Applied Physics; School of Physical and Mathematical Sciences (SPMS); Nanyang Technological University (NTU); 21 Nanyang Link 637371 Singapore
3. Singapore-Berkeley Research Initiative for Sustainable Energy (SinBeRISE); 1 Create Way Singapore 138602 Singapore
4. Shanghai Nanoport; FEI Trading (Shanghai) Co., Ltd; Shanghai 201210 China
5. National Synchrotron Radiation Research Center; 101 Hsin-Ann Road, Science-Based Industrial Park Hsinchu 30077 Taiwan
6. Chemical Engineering Department; National Tsing-Hua University; Hsinchu 30013 Taiwan
7. Shanghai Synchrotron Radiation Facility; Shanghai Institute of Applied Physics; Chinese Academy of Sciences; Shanghai 201204 China