1. Michael Grätzel Center for Mesoscopic Solar Cells
2. Wuhan National Laboratory for Optoelectronics
3. Huazhong University of Science and Technology
4. Wuhan
5. P. R. China
6. CAS Key Laboratory of Organic Solids
7. Institute of Chemistry
8. Chinese Academy of Sciences
9. Beijing 100190
10. China
11. Wuhan National High Magnetic Field Center
12. Wuhan 430074
13. Department of Physics and Electrical Engineering
14. Faculty of Engineering and Environment
15. Northumbria University
16. Newcastle Upon Tyne
17. UK