Affiliation: | (1) Organic & Optoelectronic Materials Lab., Department of Textile Engineering, Chungnam National University, 305-764 Taejon, Korea;(2) Department of Clothing and Textiles, Ewha Womans University, 120-750 Seoul, Korea;(3) Electronic Materials and Devices Research Center, Korea Institute of Science and Technology, P.O. Box 131, 130-650 Cheongryang, Seoul, Korea;(4) Department of Fiber and Polymer Science, Seoul National University, 151-742 Seoul, Korea |