1. Key Laboratory for Renewable Energy
2. Beijing Key Laboratory for New Energy Materials and Devices
3. Beijing National Laboratory for Condensed Matter Physics
4. Institute of Physics
5. Chinese Academy of Sciences
6. School of Materials Science and Engineering
7. Shanghai University
8. Shanghai 200444
9. China
10. Hefei National Laboratory for Physical Sciences at the Microscale
11. University of Science and Technology of China
12. Hefei 230026