1. School of Chemical Engineering
2. Sungkyunkwan University
3. Suwon 16419
4. Korea
5. Department of Applied Physical Sciences
6. University of North Carolina at Chapel Hill
7. Chapel Hill
8. USA
9. Department of Mechanical and Materials Engineering
10. Energy Materials and Surface Sciences Unit (EMSSU)
11. Okinawa Institute of Science and Technology Graduate University (OIST)
12. Okinawa 904-0495
13. Japan