1. Neutron Science
Division, Korea Atomic Energy Research Institute, Daejeon 305-353,
Korea
2. Department of Chemistry, Soongsil University, Seoul 156-743, Korea
3. Insilicotech Co., Ltd., Seongnam-si, Gyeonggi-do 463-400, Korea
4. Korea Center for Artificial
Photosynthesis and Department of Chemistry, Sogang University, Seoul 121-742, Korea