a
Department of Materials Science and Engineering, Pusan National University, Busan 609-735, Korea
b
Department of Chemistry Education & Interdisciplinary Program of Advanced Information and Display Materials, Pusan National University, Busan 609-735, Korea
E-mail: shjin@pusan.ac.kr
;
Fax: +82-51-581-2348
;
Tel: +82-51-510-2727
c
Department of Chemistry, Dong-A University, Busan 604-714, Korea
E-mail: jlee@donga.ac.kr
d
Polymer Chemistry Lab., Kyungil University, Hayang 712-701, Korea