1. Department of Chemical and Biological Engineering; Department of Chemistry; Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction; Institute for Advanced Study; Division of Life Science; The Hong Kong University of Science and Technology; Clear Water Bay Kowloon Hong Kong 999077 China
2. CAS Center for Excellence in Nanoscience; CAS Key Lab for Biological Effects of Nanomaterials and Nanosafety; National Center for NanoScience and Technology; BeiYiTiao, ZhongGuanCun Beijing 100190 China
3. University of Chinese Academy of Science; Beijing 100049 China
4. HKUST-Shenzhen Research Institute; No. 9 Yuexing 1st RD, South Area, Hi-tech Park Nanshan Shenzhen 518057 China
5. NSFC Center for Luminescence from Molecular Aggregates; SCUT-HKUST Joint Research Laboratory; State Key Laboratory of Luminescent Materials and Devices; South China University of Technology; Guangzhou 510640 China