Bhowmick, Somnath and Saini, Sangeeta and Shenoy, Vijay B and Bagchi, Biman (2006) Resonance energy transfer from a fluorescent dye to a metal nanoparticle. In: Journal of Chemical Physics, 125 (18). 181102-1-181102-6.
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A quantum mechanical theory of the rate of excitation energy transfer from a fluorescent dye molecule to the surface plasmonic modes of a spherical metal nanoparticle is presented. The theory predicts the distance dependence of the transfer rate to vary as $1/d ^ \sigma$, with \sigma =3–4 at intermediate distances, in partial agreement with the recent experimental results. Förster's $1/d^6$ dependence is recovered at large separations. The predicted rate exhibits nontrivial nanoparticle size dependence, ultimately going over to an asymptotic, $a^3$ size dependence. Unlike in conventional fluorescence resonance energy transfer, the orientational factor is found to vary between 1 and 4.
|Item Type:||Journal Article|
|Additional Information:||Copyright of this article belongs to American Institute of Physics.|
|Department/Centre:||Division of Chemical Sciences > Materials Research Centre
Division of Chemical Sciences > Solid State & Structural Chemistry Unit
|Date Deposited:||12 May 2008|
|Last Modified:||19 Sep 2010 04:44|
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