1. Department of Electrical & Electronic Engineering
2. Southern University of Science and Technology
3. Shenzhen
4. P. R. China
5. Department of Materials Science and Engineering
6. College of Chemistry and Materials Science
7. Anhui Normal University
8. Wuhu
9. China
10. Key Laboratory of Nanosystem and Hierarchical Fabrication
11. National Center for Nanoscience and Technology
12. Beijing 100190