Sadhu, Suparna ; Tachiya, Masanori ; Patra, Amitava (2009) A stochastic model for energy transfer from CdS quantum dots/rods (donors) to nile red dye (acceptors) The Journal of Physical Chemistry C, 113 (45). pp. 19488-19492. ISSN 1932-7447
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Official URL: http://pubs.acs.org/doi/abs/10.1021/jp906160z
Related URL: http://dx.doi.org/10.1021/jp906160z
Abstract
We propose a stochastic model for the kinetics of energy transfer from quantum dots or rods of CdS to Nile Red dye molecules. We assume that the distribution of the dye molecules around quantum dots or rods follows Poisson statistics. By analyzing time-resolved fluorescence decay curves of quantum dots or rods, we obtained the average number of dye molecules attached to the surface of quantum dots or rods as a function of the concentration of dyes and that of quantum dots or rods. The equilibrium constants for attachment/detachment of dye molecules to/from the surface of quantum dots or rods were evaluated. The quenching rate constants per dye molecule attached to the surface of quantum dots or rods were also estimated.
Item Type: | Article |
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Source: | Copyright of this article belongs to Americal Chemical Society. |
ID Code: | 104765 |
Deposited On: | 01 Dec 2017 11:13 |
Last Modified: | 01 Dec 2017 11:13 |
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