1. MOE Key Laboratory for Interface Science and Engineering in Advanced Materials and Research Center of Advanced Materials Science and Technology
2. Taiyuan University of Technology
3. Taiyuan 030024
4. P. R. China
5. Institute of Molecular Functional Materials
6. Department of Electrical and Electronic Engineering
7. The University of Hong Kong
8. Department of Applied Physics
9. Hong Kong Polytechnic University
10. Hung Hom
11. School of Chemistry
12. University of Bristol
13. Bristol
14. UK
15. Department of Chemistry
16. Partner State Key Laboratory of Environmental and Biological Analysis and Institute of Advanced Materials
17. Hong Kong Baptist University
18. Kowloon Tong