1. Optoelectronics of Disordered Semiconductors
2. Institute of Physics and Astronomy
3. University of Potsdam
4. Potsdam-Golm 14476
5. Germany
6. Soft Matter Physics
7. Department of Physics
8. Swansea University
9. Swansea
10. UK
11. College of Chemistry and Chemical Engineering
12. Central South University
13. Changsha 410083
14. P. R. China