1. Department of Physics, Chemistry and Biology (IFM)
2. Linköping University
3. Linköping
4. Sweden
5. Guangzhou Key Laboratory of Vacuum Coating Technologies and New Energy Materials
6. Laboratory of Organic Electronics, ITN, Linkoping University
7. SE-60174 Norrkoping
8. Physics Department
9. Jinan University
10. Guangzhou
11. PR China