1. Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, China.
2. Ningbo Cixi Institute of Biomedical Engineering, Ningbo, China.
3. Department of Physics, New York University, New York, NY, USA.
4. Department of Chemistry, New York University, New York, NY, USA.
5. Department of Chemistry, Biochemistry, and Physics, Fairleigh Dickinson University, Madison, NJ, USA.