1. State Key Laboratory of Silicate Materials for Architectures; School of Chemistry; Chemical Engineering and Life Science; Wuhan University of Technology; 205 Luoshi Road Wuhan Hubei Province 430070 People's Republic of China, Fax: +86 27 87749300
2. Department of Chemistry; The Scripps Research Institute; 10550 North Torrey Pines Road La Jolla, CA 92037 USA