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Temperature dependence of exciton transfer in hybrid quantum well/nanocrystal heterostructures

Temperature dependence of exciton transfer in hybrid quantum well/nanocrystal heterostructures
Temperature dependence of exciton transfer in hybrid quantum well/nanocrystal heterostructures
The authors investigate the temperature dependence of exciton transfer from a single InGaN quantum well (QW) donor to colloidal CdS nanocrystal quantum dot acceptors and obtain an optimum transfer efficiency of 65% at 60 K. Time and spectrally resolved measurements reveal that the transfer efficiency is dominated by the interplay between exciton localization and nonradiative recombination intrinsic to the QW.
0003-6951
092126-[3pp]
Rohrmoser, Stefan
70a62e2c-ec39-4ffd-85f0-2d41f44d6d42
Baldauf, Julia
4e9dc7b2-fe33-4ce3-bb90-e4e92f65cfb8
Harley, Richard T.
54613031-f60f-45f4-9b20-e49bcfd53b77
Lagoudakis, Pavlos G.
ea50c228-f006-4edf-8459-60015d961bbf
Sapra, Sameer
fb66bcde-e557-4bcd-acf4-ba7453ed57b1
Eychmueller, Alexander
fffb51d3-4da9-4e1f-816b-f5aa84467d3a
Watson, Ian M.
10a04f78-142b-46cb-a1a0-8168cdbe35b5
Rohrmoser, Stefan
70a62e2c-ec39-4ffd-85f0-2d41f44d6d42
Baldauf, Julia
4e9dc7b2-fe33-4ce3-bb90-e4e92f65cfb8
Harley, Richard T.
54613031-f60f-45f4-9b20-e49bcfd53b77
Lagoudakis, Pavlos G.
ea50c228-f006-4edf-8459-60015d961bbf
Sapra, Sameer
fb66bcde-e557-4bcd-acf4-ba7453ed57b1
Eychmueller, Alexander
fffb51d3-4da9-4e1f-816b-f5aa84467d3a
Watson, Ian M.
10a04f78-142b-46cb-a1a0-8168cdbe35b5

Rohrmoser, Stefan, Baldauf, Julia, Harley, Richard T., Lagoudakis, Pavlos G., Sapra, Sameer, Eychmueller, Alexander and Watson, Ian M. (2007) Temperature dependence of exciton transfer in hybrid quantum well/nanocrystal heterostructures. Applied Physics Letters, 91 (9), 092126-[3pp]. (doi:10.1063/1.2776865).

Record type: Article

Abstract

The authors investigate the temperature dependence of exciton transfer from a single InGaN quantum well (QW) donor to colloidal CdS nanocrystal quantum dot acceptors and obtain an optimum transfer efficiency of 65% at 60 K. Time and spectrally resolved measurements reveal that the transfer efficiency is dominated by the interplay between exciton localization and nonradiative recombination intrinsic to the QW.

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Submitted date: 16 July 2007
Published date: 30 August 2007

Identifiers

Local EPrints ID: 50341
URI: http://eprints.soton.ac.uk/id/eprint/50341
ISSN: 0003-6951
PURE UUID: b35f280a-f53f-4ef5-9440-83b3812d77ec

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Date deposited: 18 Feb 2008
Last modified: 16 Dec 2019 19:18

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