1. Department
of Chemistry and
Chemistry Institute for Functional Materials, Pusan National University, Busan 609-735, Republic of Korea
2. Department of Materials
Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon 305-701,
Republic of Korea
3. Photo-electronic Hybrids Research
Center, Korea Institute of Science and Technology (KIST), Seoul 136-791, Republic of Korea
4. Department of Chemical
and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, Daejeon 305-701,
Republic of Korea
5. Department of Physics and Centre for Plastic
Electronics, Imperial College London, London SW7 2AZ, United Kingdom
6. Department of Chemistry, The Catholic University of Korea, Bucheon
420-743, Republic of Korea
7. Korea Research Institute of Chemical Technology, 100 Jang-dong, Yuseong-gu,
Daejeon 305-343, Republic of Korea