1. Key Laboratory of Novel Thin Film Solar Cells
2. Institute of Plasma Physics
3. Chinese Academy of Sciences
4. Hefei
5. P. R. China
6. Beijing Key Laboratory of Novel Thin Film Solar Cells
7. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources
8. North China Electric Power University
9. Beijing
10. Laboratory for Photonics and Interfaces
11. Institute of Chemical Sciences and Engineering
12. School of Basic Science
13. Swiss Federal
14. Institute of Technology