White light emission via cascade Förster energy transfer in (Ga, In)N quantum well/polymer blend hybrid structures

G. Itskos; C. R. Belton; G. Heliotis; I. M. Watson; M. D. Dawson; R. Murray; D. D.C. Bradley

doi:10.1088/0957-4484/20/27/275207

White light emission via cascade Förster energy transfer in (Ga, In)N quantum well/polymer blend hybrid structures

G. Itskos, C. R. Belton, G. Heliotis, I. M. Watson, M. D. Dawson, R. Murray, D. D.C. Bradley

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

We have studied the room-temperature non-radiative energy transfer processes in hybrid structures composed of (Ga, In)N/GaN single quantum wells and semiconducting polymer blend films placed in nanometre-scale proximity. The blends consist of three polyfluorene materials with concentrations adjusted so that they emit white light. Power-dependent photoluminescence (PL) measurements are used to investigate the process of energy transfer from the quantum wells to the different components of the polymer blend. We show that energy distribution among the hybrid structures involves competition between nanoscale range non-radiative energy transfer processes from the inorganic well to the polymer components and within the blend itself. © 2009 IOP Publishing Ltd.

Original language	English (US)
Journal	Nanotechnology
Volume	20
Issue number	27
DOIs	https://doi.org/10.1088/0957-4484/20/27/275207
State	Published - Jul 1 2009
Externally published	Yes

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title = "White light emission via cascade F{\"o}rster energy transfer in (Ga, In)N quantum well/polymer blend hybrid structures",

abstract = "We have studied the room-temperature non-radiative energy transfer processes in hybrid structures composed of (Ga, In)N/GaN single quantum wells and semiconducting polymer blend films placed in nanometre-scale proximity. The blends consist of three polyfluorene materials with concentrations adjusted so that they emit white light. Power-dependent photoluminescence (PL) measurements are used to investigate the process of energy transfer from the quantum wells to the different components of the polymer blend. We show that energy distribution among the hybrid structures involves competition between nanoscale range non-radiative energy transfer processes from the inorganic well to the polymer components and within the blend itself. {\textcopyright} 2009 IOP Publishing Ltd.",

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AU - Itskos, G.

AU - Belton, C. R.

AU - Heliotis, G.

AU - Watson, I. M.

AU - Dawson, M. D.

AU - Murray, R.

AU - Bradley, D. D.C.

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AB - We have studied the room-temperature non-radiative energy transfer processes in hybrid structures composed of (Ga, In)N/GaN single quantum wells and semiconducting polymer blend films placed in nanometre-scale proximity. The blends consist of three polyfluorene materials with concentrations adjusted so that they emit white light. Power-dependent photoluminescence (PL) measurements are used to investigate the process of energy transfer from the quantum wells to the different components of the polymer blend. We show that energy distribution among the hybrid structures involves competition between nanoscale range non-radiative energy transfer processes from the inorganic well to the polymer components and within the blend itself. © 2009 IOP Publishing Ltd.

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White light emission via cascade Förster energy transfer in (Ga, In)N quantum well/polymer blend hybrid structures

Abstract

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