1. Department of Chemistry
and Institute of Applied Chemistry, Chinese Culture University, Taipei 111, Taiwan
2. Institut
für Angewandte und Physikalische Chemie, Universität Bremen, 28359 Bremen, Germany
3. Department of Chemistry, Emory University, Atlanta, Georgia 30322, United States
4. Department of Applied Chemistry and Institute of Molecular
Science, National Chiao Tung University, Hsinchu 30010, Taiwan