1. Advanced Materials Division, Korea Research Institute of Chemical Technology (KRICT), 141 Gajeongro, Yuseong, Daejeon 305-600, Korea
2. Advanced Materials Lab, Global
Technology, SK Innovation, 325, Exporo,
Yuseong, Daejeon 325-712, Korea
3. Solar Energy Department, Korea Institute of Energy Research (KIER), 71-2 Jang-dong,
Yuseong-gu, Daejeon 305-343, Korea
4. Department of Materials Science
and Engineering, Yonsei University, 50
Yonsei-ro, Seodaemun-gu, Seoul 120-749, Korea