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Ultrabright PbSe magic-sized clusters
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DOI：10.1021/nl801685a.png)
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摘要
En 中文
We present the synthesis and characterization of novel, ultrasmall PbSe magic-sized nanoclusters (MSCs). Unlike the syntheses of high-quality semiconductor nanoparticles, the MSC synthesis is straightforward, occurring at room temperature in air over several hours. MSCs have core diameters <2 nm and fluoresce in the near-infrared (900 nm) with remarkable quantum efficiencies consistently greater than 50%. The relatively slow growth of MSCs allows for a significant scale up of reaction volumes. Transfer to aqueous solvents has also been demonstrated, establishing MSCs as a potential new fluorophore for applications in biological imaging.
Keyword:
NANOCRYSTAL QUANTUM DOTS
IN-VIVO
CDSE NANOCRYSTALS
SPECTROSCOPY
MONODISPERSE
EMISSION
GROWTH
ZNSE
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期刊
IF:
9.1
论文数:
2.7W
被引数:
16.5W
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