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. 79 Yingze West Street
4. Taiyuan 030024
5. P. R. China
6. Institute of Carbon Materials Science
7. Shanxi Datong University
8. Datong 037009
9. Department of Applied Physics
10. The Hong Kong Polytechnic University
11. Hung Hom
12. Department of Applied Physics and Chemistry
13. University of Taipei
14. Taipei 100
15. Taiwan