Plasmonic enhancement of the two photon absorption cross section of an organic chromophore using polyelectrolyte-coated gold nanorods

The effect of plasmonic enhancement on the two-photon absorption cross section of organic chromophores attached to polyelectrolyte-coated gold nanorods was investigated. The magnitudes of such enhancements were confirmed using single and two photon excitations of the chromophore molecules bound to p...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 28(2012), 24 vom: 19. Juni, Seite 9147-54
1. Verfasser: Sivapalan, Sean T (VerfasserIn)
Weitere Verfasser: Vella, Jarrett H, Yang, Timothy K, Dalton, Matthew J, Swiger, Rachel N, Haley, Joy E, Cooper, Thomas M, Urbas, Augustine M, Tan, Loon-Seng, Murphy, Catherine J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, U.S. Gov't, Non-P.H.S. Electrolytes Polymers Gold 7440-57-5
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520 |a The effect of plasmonic enhancement on the two-photon absorption cross section of organic chromophores attached to polyelectrolyte-coated gold nanorods was investigated. The magnitudes of such enhancements were confirmed using single and two photon excitations of the chromophore molecules bound to polyelectrolyte-coated gold nanorods. By synthesizing two-, four-, six-, and eight-polyelectrolyte layer coated nanorods of a particular aspect ratio, the distance dependence of the evanescent electromagnetic field on molecular two-photon absorption was observed. Enhancements of 40-fold were observed for the chromophores nearest to the surface 
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650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
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700 1 |a Vella, Jarrett H  |e verfasserin  |4 aut 
700 1 |a Yang, Timothy K  |e verfasserin  |4 aut 
700 1 |a Dalton, Matthew J  |e verfasserin  |4 aut 
700 1 |a Swiger, Rachel N  |e verfasserin  |4 aut 
700 1 |a Haley, Joy E  |e verfasserin  |4 aut 
700 1 |a Cooper, Thomas M  |e verfasserin  |4 aut 
700 1 |a Urbas, Augustine M  |e verfasserin  |4 aut 
700 1 |a Tan, Loon-Seng  |e verfasserin  |4 aut 
700 1 |a Murphy, Catherine J  |e verfasserin  |4 aut 
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