1. Center for AIE Research Shenzhen Key Laboratory of Polymer Science and Technology Guangdong Research Center for Interfacial Engineering of Functional Materials College of Materials Science and Engineering Shenzhen University Shenzhen 518060 P. R. China
2. Department of Pharmacy School of Pharmacy Shanxi Medical University Taiyuan 030001 P. R. China
3. The Radiology Department of Third Hospital of Shanxi Medical University First Hospital of Shanxi Medical University Taiyuan 030000 P. R. China
4. School of Science and Engineering Shenzhen Institute of Aggregate Science and Technology The Chinese University of Hong Kong Shenzhen Guangdong 518172 P. R. China
5. Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction Department of Chemistry Institute of Molecular Functional Materials State Key Laboratory of Neuroscience Division of Biomedical Engineering and Division of Life Science The Hong Kong University of Science and Technology Clear Water Bay Kowloon Hong Kong 999077 P. R. China