1. Department
of Chemistry, College of Natural Sciences, Seoul National University, Seoul 151-747, Republic of Korea
2. Jeonju Center, Korea Basic Science Institute (KBSI), Analysis & Researcher Division, 634-18 Geumam-dong, Deokjin-gu, Jeonju-si, Jeollabuk-do 561-756, Republic of Korea
3. Department
of Chemistry, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk 790-784, Republic of Korea
4. Department
of Physics, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 136-701, Republic of Korea
5. Department of Information Communication & Display Engineering, Division of Mechanical and ICT Convergence Engineering, Sunmoon University, 221, Sunmoon-ro, Tangjeong-myeon, Asan, Chungnam 336-708, Republic of Korea