1. Intellectual Textile Research Center (ITRC) & School of Materials Science and Engineering, College of Engineering, Seoul National University, Shillimdong 56-1, Kwanakgu, Seoul, Korea 151-744
2. Polymer Hybrid Research Center, Korea Institute of Science and Technology, P.O. BOX 131, Cheongryang, Seoul, Korea 136-791
3. Energy Materials Research Center, Korea Research Institute of Chemical Technology, P.O. BOX 107, Yousungku, Taejon, Korea 305-600
4. Institute for Materials Chemistry & Engineering, Kyushu University, 744 Motooka, Nishiku, Fukuoka 819-0395, Japan