1. School of Chemical Engineering and Technology; Tianjin University; Tianjin 300350 China
2. HKUST-Shenzhen Research Institute; No. 9 Yuexing 1st RD, South Area, Hi-tech Park, Nanshan Shenzhen 518057 China
3. Department of Chemistry; Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction; The Hong Kong University of Science and Technology; Clear Water Bay Kowloon Hong Kong China
4. Institute for Advanced Study; The Hong Kong University of Science and Technology; Clear Water Bay Kowloon Hong Kong China
5. NSFC Center for Luminescence from Molecular Aggregates; SCUT-HKUST Joint Research Institute; State Key Laboratory of Luminescent Materials and Devices; South China University of Technology; Guangzhou 510640 China