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Diffusion-Controlled Electron Transfer Processes and Power-Law Statistics of Fluorescence Intermittency of Nanoparticles

Tang, Jau and Marcus, R. A. (2005) Diffusion-Controlled Electron Transfer Processes and Power-Law Statistics of Fluorescence Intermittency of Nanoparticles. Physical Review Letters, 95 (10). Art. no. 107401. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:TANprl05

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Abstract

A mechanism involving diffusion-controlled electron transfer processes in Debye and non-Debye dielectric media is proposed to elucidate the power-law distribution for the lifetime of a blinking quantum dot. This model leads to two complementary regimes of power law with a sum of the exponents equal to 2, and to a specific value for the exponent in terms of a distribution of the diffusion correlation times. It also links the exponential bending tail with energetic and kinetic parameters.


Item Type:Article
Additional Information:©2005 The American Physical Society (Received 7 April 2005; published 29 August 2005) The authors thank the support of the National Science Foundation and the Office of Naval Research. J. T. also acknowledges the support of the James W. Glanville Foundation at the California Institute of Technology.
Subject Keywords:quantum dots; nanoparticles; fluorescence
Record Number:CaltechAUTHORS:TANprl05
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:TANprl05
Alternative URL:http://dx.doi.org/10.1103/PhysRevLett.95.107401
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:1534
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:27 Jan 2006
Last Modified:26 Dec 2012 08:44

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