Design of a polymer ligand for the one-step preparation of highly stable fluorescent Ag₅ clusters for tissue labeling
2013
Li, Luo | Guo, Qinlin | Li, Jie | Yan, Wei | Leng, Changlong | Tang, Hebin | Lu, Qunwei | Tan, Bien
Highly stable water-soluble fluorescent Ag₅ clusters with a quantum yield of 9.7% were synthesized using a specially designed tridentate polymer ligand by one-step reduction. The fluorescence may be associated with the dominant Ag⁺ species on the surface of the clusters. The resultant Ag nanoclusters were used as biomarkers to label mouse liver tissues successfully for the first time.
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