1. School of Chemistry Guangzhou Key Laboratory of Materials for Energy Conversion and Storage South China Normal University (SCNU) Guangzhou 510006 P. R. China
2. Key Laboratory of Optoelectronic Chemical Materials and Devices (Ministry of Education) Flexible Display Materials and Technology Co‒Innovation Centre of Hubei Province School of Optoelectronic Materials & Technology Jianghan University Wuhan 430056 P. R. China
3. Spallation Neutron Source Science Center Dongguan 523803 P. R. China
4. Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 P. R. China
5. School of Medical Information Engineering Gannan Medical University Ganzhou 341000 P. R. China
6. Beijing National Laboratory for Condensed Matter Physics and Institute of Physics Chinese Academy of Sciences Beijing 100190 P. R. China
7. Institute of Polymer Optoelectronic Materials and Devices State Key Laboratory of Luminescent Materials and Devices South China University of Technology (SCUT) Guangzhou 510640 P. R. China