1. College of Chemistry Jilin University Changchun Jilin 130012 P. R. China
2. State Key Laboratory of Electroanalytical Chemistry Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun Jilin 130022 P. R. China
3. Key Laboratory of Polymer Ecomaterials Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun Jilin 130022 P. R. China
4. ARC Centre of Excellence for Nanoscale BioPhotonics Department of Molecular Sciences Macquarie University Sydney 2109 Australia
5. Department of Chemistry and Physics State University of New York at Stony Brook Stony Brook NY 11794–3400 USA