1. Nanomaterials Laboratory
2. Far East University
3. Tainan 74448
4. Republic of China
5. Department of Chemistry
6. Department of Applied Science
7. National Taitung University
8. Taitung 950
9. Department of Physics
10. National Cheng Kung University
11. Tainan 70101
12. National Tsing Hua University
13. Hsinchu 30013