Affiliation: | aDepartment of Chemistry, Changwon National University, Changwon 641-773, Republic of Korea;bDepartment of Chemistry, Yanbian University, Yanji 133002, China;cLCD Research and Development Center, Samsung Electronics Co., Yongin 446-771, Republic of Korea;dDepartment of Chemistry, Mokpo National University, Mokpo 534-729, Republic of Korea |