Enhanced color purity and stability from polymer/nanoporous silica nanocomposite blue light-emitting diodes

Jong Hyeok Park; Tae Ho Kim; Jae Woong Yu; Jai Kyeong Kim; Young Chul Kim; O. Ok Park

doi:10.1016/j.synthmet.2005.07.037

Enhanced color purity and stability from polymer/nanoporous silica nanocomposite blue light-emitting diodes

Jong Hyeok Park, Tae Ho Kim, Jae Woong Yu, Jai Kyeong Kim, Young Chul Kim, O. Ok Park

Department of Chemical and Biomolecular Engineering

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

4 Citations (Scopus)

Abstract

Photo-oxidation plays an important role in the lifetime of PLEDs fabricated from PFs. In addition, most of these PLEDs suffer from a degradation of the device under operation; the degradation is documented in the formation of a low-energy emission band at 2.2-2.3 eV, which turns the desired blue emission color into an undesired blue-green emission. With the aim of simultaneously overcoming all these drawbacks, a blue light-emitting polymer/mesoporous silica nanocomposite was prepared by blending poly(9,9-dioctylfluorene) with surface modified nanoporous silica. This nanocomposite film shows dramatically increased photo-stability and color purity.

Original language	English
Pages (from-to)	145-148
Number of pages	4
Journal	Synthetic Metals
Volume	154
Issue number	1-3
DOIs	https://doi.org/10.1016/j.synthmet.2005.07.037
Publication status	Published - 2005 Sep 22

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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title = "Enhanced color purity and stability from polymer/nanoporous silica nanocomposite blue light-emitting diodes",

abstract = "Photo-oxidation plays an important role in the lifetime of PLEDs fabricated from PFs. In addition, most of these PLEDs suffer from a degradation of the device under operation; the degradation is documented in the formation of a low-energy emission band at 2.2-2.3 eV, which turns the desired blue emission color into an undesired blue-green emission. With the aim of simultaneously overcoming all these drawbacks, a blue light-emitting polymer/mesoporous silica nanocomposite was prepared by blending poly(9,9-dioctylfluorene) with surface modified nanoporous silica. This nanocomposite film shows dramatically increased photo-stability and color purity.",

author = "Park, {Jong Hyeok} and Kim, {Tae Ho} and Yu, {Jae Woong} and Kim, {Jai Kyeong} and Kim, {Young Chul} and Park, {O. Ok}",

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AU - Park, Jong Hyeok

AU - Kim, Tae Ho

AU - Yu, Jae Woong

AU - Kim, Jai Kyeong

AU - Kim, Young Chul

AU - Park, O. Ok

PY - 2005/9/22

Y1 - 2005/9/22

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AB - Photo-oxidation plays an important role in the lifetime of PLEDs fabricated from PFs. In addition, most of these PLEDs suffer from a degradation of the device under operation; the degradation is documented in the formation of a low-energy emission band at 2.2-2.3 eV, which turns the desired blue emission color into an undesired blue-green emission. With the aim of simultaneously overcoming all these drawbacks, a blue light-emitting polymer/mesoporous silica nanocomposite was prepared by blending poly(9,9-dioctylfluorene) with surface modified nanoporous silica. This nanocomposite film shows dramatically increased photo-stability and color purity.

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