1. Tianjin Key Laboratory of Molecular Optoelectronic Science; Department of Chemistry; School of Science; Tianjin University & Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300072 China
2. Key Laboratory of Organic Solids; Institute of Chemistry; Chinese Academy of Science (ICCAS); Beijing 100190 China
3. Division of Nanophotonics; CAS Key Laboratory of Standardization and Measurement for Nanotechnology; CAS Center for Excellence in Nanoscience; National Center for Nanoscience and Technology; Beijing 100190 China