1. Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction Division of Life Science and Division of Biomedical Engineering The Hong Kong University of Science and Technology Clear Water Bay Kowloon, Hong Kong China
2. HKUST-Shenzhen Research Institute No.9 Yuexing 1st RD, South Area, Hi-tech Park, Nanshan Shenzhen 518057 China
3. NFSC 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