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