1. Hyperstructured Organic Materials Research Center (HOMRC) and School of Materials Science and Engineering, Seoul National University, San 56-1, Shinlim-dong, Kwanak-ku, Seoul 151-744, Korea
2. Saehan Industries Incorporated, #14, Nongseo-Ri, Kiheung-Eub, Yongin-City,Kyunggi-Do 449-900, Korea