1. Department of Chemistry Education, Interdisciplinary Program of Advanced
Information and Display Materials, and Institute for Plastic Information
and Energy Materials, Pusan National University, Busan 609-735, Republic of Korea
2. Department of Chemistry, Dong-A University, Busan 604-714, Republic of Korea
3. Polymer Chemistry Lab, Kyungil University, Hayang 712-701, Republic of Korea
4. Department of Polymer Science & Engineering, Pusan National University, Busan 609-735, Republic of Korea