1. Lab of Low-Dimensional Materials Chemistry
2. Key Laboratory for Ultrafine Materials of Ministry of Education
3. School of Materials Science and Engineering
4. East China University of Science and Technology
5. Shanghai 200237
6. Department of Prosthodontics
7. Ninth People's Hospital affiliated to Shanghai Jiao Tong University
8. School of Medicine
9. Shanghai 200011
10. China
11. Engineering Research Center for Biomedical Materials of Ministry of Education