1. Department of Nanotechnology and Advanced Materials Engineering
2. Sejong University
3. Seoul 143-747
4. Republic of Korea
5. Nanomaterials Centre
6. School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology
7. The University of Queensland
8. St Lucia QLD 4072
9. Australia
10. Department of Physics
11. Myongji University