White-electroluminescence device based on polymer/quantum dot nanocomposites

Jong Hyeok Park, O. Ok Park, Jai Kyeong Kim, Jae Woong Yu, Jung Yong Kim, Young Chul Kim

Research output: Contribution to journalArticle

6 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-2,7divinylene-m-phenylenevinylene-stat-p-phenylenevinylene) (PDHFPPV) and CdSe nanoparticles. Blue emission from PDHFPPV and red emission from the nanoparticles, which is triggered by partial excitation energy transfer from PDHFPPV, 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 color from the hybrid device.

Original languageEnglish
Pages (from-to)481-486
Number of pages6
JournalJournal of Nonlinear Optical Physics and Materials
Volume14
Issue number4
DOIs
Publication statusPublished - 2005 Jan 1

Fingerprint

Electroluminescence
electroluminescence
Semiconductor quantum dots
Nanocomposites
nanocomposites
Polymers
quantum dots
Nanoparticles
Excitation energy
Light emission
polymers
Polymer matrix
Energy transfer
Light emitting diodes
nanoparticles
Color
light emission
light emitting diodes
energy transfer
color

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physics and Astronomy (miscellaneous)

Cite this

Park, Jong Hyeok ; Park, O. Ok ; Kim, Jai Kyeong ; Yu, Jae Woong ; Kim, Jung Yong ; Kim, Young Chul. / White-electroluminescence device based on polymer/quantum dot nanocomposites. In: Journal of Nonlinear Optical Physics and Materials. 2005 ; Vol. 14, No. 4. pp. 481-486.
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White-electroluminescence device based on polymer/quantum dot nanocomposites. / Park, Jong Hyeok; Park, O. Ok; Kim, Jai Kyeong; Yu, Jae Woong; Kim, Jung Yong; Kim, Young Chul.

In: Journal of Nonlinear Optical Physics and Materials, Vol. 14, No. 4, 01.01.2005, p. 481-486.

Research output: Contribution to journalArticle

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