1. Department of Chemistry; University of Manitoba; Winnipeg Manitoba R3T 2N2 Canada
2. Nanotechnology Research Institute; National Institute of Advanced Industrial Science and Technology (AIST); Ikeda Osaka Japan
3. Liquid Crystal Institute and Chemical Physics Interdisciplinary Program; Kent State University; Kent OH 44242 USA
4. Department of Chemistry & Biochemistry; Kent State University; Kent OH 44242-0001 USA