1. Key Laboratory for Advanced Materials and Institute of Fine Chemicals; East China University of Science and Technology; 130 Meilong Road Shanghai 200237 P.R. China
2. Department of Applied Chemistry; Graduate School of Engineering; Osaka Prefecture University; Naka Ku, 1-1 Gakuencho Sakai Osaka 599-8531 Japan
3. Institut Universitaire de France & Université Pierre et Marie Curie; 4 Place Jussieu 75252 Paris Cedex 05 France