1. CAS Center for Excellence Nanoscience; CAS Key Laboratory for Biological Effects of Nanomaterials and Nanosafety; National Center for Nanoscience and Technology (NCNST); No. 11 Beiyitiao Zhongguancun Beijing 100190 P. R. China
2. University of Chinese Academy of Sciences (UCAS); No.19A Yuquan Road Beijing 100049 P. R. China
3. Lab of Low-Dimensional Materials Chemistry; Key Laboratory for Ultrafine Materials of Ministry of Education; School of Materials Science and Engineering; East China University of Science and Technology; Shanghai 200237 P. R. China
4. Beijing Tongren Eye Center; Capital Medical University; Beijing 100730 P. R. China
5. CAS Key Laboratory of Standardization and Measurement for Nanotechnology; National Center for Nanoscience and Technology; Beijing 100190 P. R. China
6. Eyebright Medical Technology Co., Ltd.; Building 6, No 37 Chaoqian Road Changping District Beijing 102200 P. R. China