Dependence of resonance energy transfer on exciton dimensionality
Dependence of resonance energy transfer on exciton dimensionality
We investigate the dependence of resonance energy transfer from Wannier-Mott excitons to an organic overlayer on exciton dimensionality. We exploit the excitonic potential disorder in a single quantum well to tune the balance between localized and free excitons by scaling the Boltzmann distribution of excitons through temperature. Theoretical calculations predict the experimentally observed temperature dependence of resonance energy transfer and allow us to quantify the contribution of localized and free excitons. We show that free excitons can undergo resonance energy transfer with an order of magnitude higher rate compared to localized excitons, emphasizing the potential of hybrid optoelectronic devices utilizing resonance energy transfer as a means to overcome charge transfer related limitations.
Rindermann, Jan Junis
68cb667e-675b-464a-a2f2-a347760e49b6
Pozina, Galia
83be0072-f18c-4d2b-b38f-77af0336f07c
Monemar, Bo
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Hultman, Lars
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Amano, Hiroshi
94d9417b-15ed-4b27-b67a-7e4ad80e99f4
Lagoudakis, Pavlos
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30 November 2011
Rindermann, Jan Junis
68cb667e-675b-464a-a2f2-a347760e49b6
Pozina, Galia
83be0072-f18c-4d2b-b38f-77af0336f07c
Monemar, Bo
8e573e12-aa7e-40ef-872a-43fab4b26b88
Hultman, Lars
67883278-8ce8-4d2f-8038-141388b2d183
Amano, Hiroshi
94d9417b-15ed-4b27-b67a-7e4ad80e99f4
Lagoudakis, Pavlos
ea50c228-f006-4edf-8459-60015d961bbf
Rindermann, Jan Junis, Pozina, Galia, Monemar, Bo, Hultman, Lars, Amano, Hiroshi and Lagoudakis, Pavlos
(2011)
Dependence of resonance energy transfer on exciton dimensionality.
Physical Review Letters, 107 (23).
(doi:10.1103/PhysRevLett.107.236805).
Abstract
We investigate the dependence of resonance energy transfer from Wannier-Mott excitons to an organic overlayer on exciton dimensionality. We exploit the excitonic potential disorder in a single quantum well to tune the balance between localized and free excitons by scaling the Boltzmann distribution of excitons through temperature. Theoretical calculations predict the experimentally observed temperature dependence of resonance energy transfer and allow us to quantify the contribution of localized and free excitons. We show that free excitons can undergo resonance energy transfer with an order of magnitude higher rate compared to localized excitons, emphasizing the potential of hybrid optoelectronic devices utilizing resonance energy transfer as a means to overcome charge transfer related limitations.
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Published date: 30 November 2011
Organisations:
Quantum, Light & Matter Group
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Local EPrints ID: 339890
URI: http://eprints.soton.ac.uk/id/eprint/339890
PURE UUID: 6a59e835-a839-49ed-8dea-fd88e1f66485
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Date deposited: 01 Jun 2012 08:56
Last modified: 14 Mar 2024 11:16
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Author:
Jan Junis Rindermann
Author:
Galia Pozina
Author:
Bo Monemar
Author:
Lars Hultman
Author:
Hiroshi Amano
Author:
Pavlos Lagoudakis
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