1. Department of Chemistry; University of Idaho; Moscow ID 83844-2343 USA
2. School of Materials Science and Engineering; Harbin Institute of Technology (Shenzhen); Shenzhen 518055 China
3. Department of Chemistry and Biotechnology; Yokohama National University; Yokohama 240-8501 Japan
4. Department of Chemistry; University of Minnesota; Minneapolis MN 55455 USA
5. Naval Research Laboratory; 4555 Overlook Avenue Washington D.C. 20375 USA