Affiliation: | a Organic and Optoelectronic Materials Laboratory, Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University, Daejeon 305-764, Republic of Korea b Film Research Institute, Kolon Central Research Park, Kolon Industries, Inc., 212 Gongdan-dong, Gumi, Gyeongbuk 730-030, Republic of Korea c Organic and Optoelectronic Materials Laboratory, Department of Nanotechnology, Chungnam National University, Daejeon 305-764, Republic of Korea d Department of Oriental Medicine and Food Biotechnology, Joongbu University, 101 Daehack-ro, Chubu-myon, Kumsan-gun, Chungnam 312-702, Republic of Korea e Organic and Optoelectronic Materials Laboratory, Department of Advanced Organic Materials and Textile System Engineering and Graduate School of Analytical Science and Technology (GRAST), Chungnam National University, Daejeon 305-764, Republic of Korea |