1. School of Science
2. Nanjing University of Posts and Telecommunications
3. Nanjing
4. China
5. IEK-5 Photovoltaik
6. Forschungszentrum Jülich
7. 52425 Jülich
8. Germany
9. College of Chemistry and Materials Science
10. Jiangsu Key Laboratory of Biofunctional Materials
11. Nanjing Normal University
12. Nanjing 210023