期刊
NANOSCALE
卷 3, 期 11, 页码 4670-4675出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1nr10590f
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资金
- National Natural Science Foundation of China (NSFC) [20903043, 20973075, 91027010, 20090061120089]
Water-soluble, highly stable fluorescent Ag nanoclusters have been synthesized using a novel core/shell solid polymer (PMMA/PMMA-PMAA) nanoparticles as a novel template. The photoluminescence, ultraviolet-visible absorption, X-ray photoelectron (XPS), laser desorption time of flight mass spectroscopies (LDI-ToF-MS) and transmission electron microscopy (TEM) were carried out to characterize the optical properties and morphologies of Ag nanoclusters. The quantum yield of Ag nanoclusters reached 6% and the lifetime of Ag nanoclusters was 0.460 ns. Because of the protective structure of three-dimensional network of the polymer template, the Ag nanoclusters have high stablity. And this highly stable fluorescent Ag nanoclusters have successfully been applied for bioimaging.
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