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Distance dependence of fluorescence resonance energy transfer

Swathi, RS and Sebastian, KL (2009) Distance dependence of fluorescence resonance energy transfer. In: Proceedings of the Indian Academy of Sciences - Chemical Sciences, 121 (5). pp. 777-787.

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Abstract

Deviations from the usual R (-6) dependence of the rate of fluorescence resonance energy transfer (FRET) on the distance between the donor and the acceptor have been a common scenario in the recent times. In this paper, we present a critical analysis of the distance dependence of FRET, and try to illustrate the non R (-6) type behaviour of the rate for the case of transfer from a localized electronic excitation on the donor, a dye molecule to three different energy acceptors with delocalized electronic excitations namely, graphene,two-dimensional semiconducting sheet and the case of such a semiconducting sheet rolled to obtain a nanotube. We use simple analytic models to understand the distance dependence in each case.

Item Type: Journal Article
Additional Information: copyright of this article belongs to Indian Academy of Sciences.
Keywords: FRET;graphene;nanotube;tight-binding model.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Depositing User: Users 920 not found.
Date Deposited: 18 Jan 2010 05:47
Last Modified: 19 Sep 2010 05:53
URI: http://eprints.iisc.ac.in/id/eprint/25152

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