Nano Archive

Plasmonic enhancement of molecular fluorescence

Tam, Felicia and Goodrich, Glenn P. and Johnson, Bruce R. and Halas, Naomi J. (2007) Plasmonic enhancement of molecular fluorescence. NANO LETTERS, 7 (2). pp. 496-501.

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Metallic nanoparticles are known to dramatically modify the spontaneous emission of nearby fluorescent molecules and materials. Here we examine the role of the nanoparticle plasmon resonance energy and nanoparticle scattering cross section on the fluorescence enhancement of adjacent indocyanine green (ICG) dye molecules. We find that enhancement of the molecular fluorescence by more than a factor of 50 can be achieved for ICG next to a nanoparticle with a large scattering cross section and a plasmon resonance frequency corresponding to the emission frequency of the molecule.

Item Type:Article
Subjects:Physical Science > Nanophysics
Physical Science > Nano objects
Physical Science > Photonics
ID Code:2588
Deposited By:Anuj Seth
Deposited On:12 Jan 2009 09:23
Last Modified:20 Jan 2009 11:51

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