1. The Fourth Research
Team, Daedeok Research Institute, Lotte Chemical Corporation, Jang-Dong #24-1, Yuseong-Gu, Daejeon, 305-726 Republic of Korea
2. Department of New Energy·Resource Engineering, College of Science & Engineering, Sangji University, 124, Sangjidae-gil, Wonju-si, Gangwon-Do, 220-702 Republic of Korea