期刊
ACS NANO
卷 5, 期 5, 页码 3536-3541出版社
AMER CHEMICAL SOC
DOI: 10.1021/nn102717z
关键词
surface plasmon resonance; block copolymers; fluorescent probes; micelles; fluorescent spectroscopy
类别
资金
- IBM
- European Community [214954]
We Investigate a hybrid nanocomposite combining fluorescent dyes and ultrasmall (<3 nm) silver nanocrystals in a block copolymer micelle. Although the metal nanoparticles are significantly smaller than the electromagnetic skin depth, we observe a modification of the exciton lifetime and the nonradiative energy transfer among the dyes. This behavior is absent in a control experiment with dyes whose energetic levels are far from the plasmonic resonance, establishing the plasmonic nature of the interaction.
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