1. Department of Electronic and Information Engineering Research Institute for Smart Energy (RISE) The Hong Kong Polytechnic University Hung Hum Kowloon Hong Kong 999077 China
2. School of Materials Science and Engineering Jiangsu Engineering Laboratory of Light‐Electricity‐Heat Energy‐Converting Materials and Applications Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering National Experimental Demonstration Center for Materials Science and Engineering Changzhou University Changzhou 213164 China
3. State Key Laboratory of Luminescent Materials and Devices Institute of Polymer Optoelectronic Materials and Devices South China University of Technology Guangzhou 510640 China
4. Department of Physics The Chinese University of Hong Kong New Territories Hong Kong 999077 China
5. National Synchrotron Radiation Research Center Hsinchu Science Park Hsinchu 30076 Taiwan
6. Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic University Hung Hum Kowloon Hong Kong 999077 China