White emission from polymer/quantum dot ternary nanocomposites by incomplete energy transfer

Jong Hyeok Park; Jung Yong Kim; Byung Doo Chin; Young Chul Kim; Jai Kyeong Kim; O. Ok Park

doi:10.1088/0957-4484/15/9/018

White emission from polymer/quantum dot ternary nanocomposites by incomplete energy transfer

Jong Hyeok Park, Jung Yong Kim, Byung Doo Chin, Young Chul Kim, Jai Kyeong Kim, O. Ok Park

Department of Chemical and Biomolecular Engineering

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

106 Citations (Scopus)

Abstract

White light emission was obtained from a light-emitting diode prepared from polymer/quantum dot nanocomposites consisting of poly(9,9′- dihexylfluorene-2,7-divinylene-m-phenylenevinylene-stat-p-phenylenevinylene) (PDHFPPV) and two kinds of CdSe nanoparticles with different particle size. Blue emission from the polymer, green emission from the ∼3 nm CdSe and red emission from the ∼7 nm CdSe, which is triggered by partial excitation energy transfer from the polymer, jointly contribute to white emission of the organic-inorganic hybrid device. Also, the blue-emitting matrix polymer makes the device preparation process simpler due to its high processability. By controlling the blend ratio, we could obtain a pure white colour from the hybrid device.

Original language	English
Pages (from-to)	1217-1220
Number of pages	4
Journal	Nanotechnology
Volume	15
Issue number	9
DOIs	https://doi.org/10.1088/0957-4484/15/9/018
Publication status	Published - 2004 Sept

All Science Journal Classification (ASJC) codes

Bioengineering
Chemistry(all)
Materials Science(all)
Mechanics of Materials
Mechanical Engineering
Electrical and Electronic Engineering

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10.1088/0957-4484/15/9/018

Cite this

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title = "White emission from polymer/quantum dot ternary nanocomposites by incomplete energy transfer",

abstract = "White light emission was obtained from a light-emitting diode prepared from polymer/quantum dot nanocomposites consisting of poly(9,9′- dihexylfluorene-2,7-divinylene-m-phenylenevinylene-stat-p-phenylenevinylene) (PDHFPPV) and two kinds of CdSe nanoparticles with different particle size. Blue emission from the polymer, green emission from the ∼3 nm CdSe and red emission from the ∼7 nm CdSe, which is triggered by partial excitation energy transfer from the polymer, jointly contribute to white emission of the organic-inorganic hybrid device. Also, the blue-emitting matrix polymer makes the device preparation process simpler due to its high processability. By controlling the blend ratio, we could obtain a pure white colour from the hybrid device.",

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AU - Park, Jong Hyeok

AU - Kim, Jung Yong

AU - Chin, Byung Doo

AU - Kim, Young Chul

AU - Kim, Jai Kyeong

AU - Park, O. Ok

PY - 2004/9

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N2 - White light emission was obtained from a light-emitting diode prepared from polymer/quantum dot nanocomposites consisting of poly(9,9′- dihexylfluorene-2,7-divinylene-m-phenylenevinylene-stat-p-phenylenevinylene) (PDHFPPV) and two kinds of CdSe nanoparticles with different particle size. Blue emission from the polymer, green emission from the ∼3 nm CdSe and red emission from the ∼7 nm CdSe, which is triggered by partial excitation energy transfer from the polymer, jointly contribute to white emission of the organic-inorganic hybrid device. Also, the blue-emitting matrix polymer makes the device preparation process simpler due to its high processability. By controlling the blend ratio, we could obtain a pure white colour from the hybrid device.

AB - White light emission was obtained from a light-emitting diode prepared from polymer/quantum dot nanocomposites consisting of poly(9,9′- dihexylfluorene-2,7-divinylene-m-phenylenevinylene-stat-p-phenylenevinylene) (PDHFPPV) and two kinds of CdSe nanoparticles with different particle size. Blue emission from the polymer, green emission from the ∼3 nm CdSe and red emission from the ∼7 nm CdSe, which is triggered by partial excitation energy transfer from the polymer, jointly contribute to white emission of the organic-inorganic hybrid device. Also, the blue-emitting matrix polymer makes the device preparation process simpler due to its high processability. By controlling the blend ratio, we could obtain a pure white colour from the hybrid device.

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White emission from polymer/quantum dot ternary nanocomposites by incomplete energy transfer

Abstract

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