Change in quantum efficiency of self-assembled films based on PPV and ionic salt added PSS

Jinhan Cho; Kookheon Char; Jong Dal Hong; Dong Young Kim

doi:10.1080/10587250108024691

Change in quantum efficiency of self-assembled films based on PPV and ionic salt added PSS

Jinhan Cho, Kookheon Char, Jong Dal Hong, Dong Young Kim

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

2 Citations (Scopus)

Abstract

Electrical characteristics of self-assembled devices based on Poly(p-phenylene vinylene) (PPV), Poly(sodium 4-styrenesulfonate) (PSS) and carrageenan (CARRA) were investigated. Relative quantum efficiency of ITO/(PPV/PSS)₂₀/Al device was significantly decreased with the increase of ionic strength of the PSS solution. In contrast, the relative quantum efficiency of ITO/(PPV/PSS)₅/(PPV/CARRA)₁₅/Al device prepared by inserting (PPV/CARRA)₁₅ bilayers between the (PPV/PSS)₅ film and Al electrode were increased with the increase of ionic strength in the PSS solution. The performance improvement of ITO/(PPV/PSS)₅/(PPV/CARRA)₁₅/Al device is believed to be due to the formation of a stable interface between the (PPV/CARRA) and the Al electrode as well as the enhancement of hole transporting characteristics of (PPV/PSS) bilayers with added ion salt.

Original language	English
Pages (from-to)	75-78
Number of pages	4
Journal	Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume	371
DOIs	https://doi.org/10.1080/10587250108024691
Publication status	Published - 2001
Externally published	Yes

Keywords

Electroluminescence (EL)
Poly(p-phenylene vinylene) (PPV)
Self-assembly method

ASJC Scopus subject areas

Condensed Matter Physics

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10.1080/10587250108024691

Cite this

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title = "Change in quantum efficiency of self-assembled films based on PPV and ionic salt added PSS",

abstract = "Electrical characteristics of self-assembled devices based on Poly(p-phenylene vinylene) (PPV), Poly(sodium 4-styrenesulfonate) (PSS) and carrageenan (CARRA) were investigated. Relative quantum efficiency of ITO/(PPV/PSS)20/Al device was significantly decreased with the increase of ionic strength of the PSS solution. In contrast, the relative quantum efficiency of ITO/(PPV/PSS)5/(PPV/CARRA)15/Al device prepared by inserting (PPV/CARRA)15 bilayers between the (PPV/PSS)5 film and Al electrode were increased with the increase of ionic strength in the PSS solution. The performance improvement of ITO/(PPV/PSS)5/(PPV/CARRA)15/Al device is believed to be due to the formation of a stable interface between the (PPV/CARRA) and the Al electrode as well as the enhancement of hole transporting characteristics of (PPV/PSS) bilayers with added ion salt.",

keywords = "Electroluminescence (EL), Poly(p-phenylene vinylene) (PPV), Self-assembly method",

author = "Jinhan Cho and Kookheon Char and Hong, {Jong Dal} and Kim, {Dong Young}",

year = "2001",

doi = "10.1080/10587250108024691",

language = "English",

volume = "371",

pages = "75--78",

journal = "Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals",

issn = "1058-725X",

publisher = "Taylor and Francis Ltd.",

}

TY - JOUR

T1 - Change in quantum efficiency of self-assembled films based on PPV and ionic salt added PSS

AU - Cho, Jinhan

AU - Char, Kookheon

AU - Hong, Jong Dal

AU - Kim, Dong Young

PY - 2001

Y1 - 2001

N2 - Electrical characteristics of self-assembled devices based on Poly(p-phenylene vinylene) (PPV), Poly(sodium 4-styrenesulfonate) (PSS) and carrageenan (CARRA) were investigated. Relative quantum efficiency of ITO/(PPV/PSS)20/Al device was significantly decreased with the increase of ionic strength of the PSS solution. In contrast, the relative quantum efficiency of ITO/(PPV/PSS)5/(PPV/CARRA)15/Al device prepared by inserting (PPV/CARRA)15 bilayers between the (PPV/PSS)5 film and Al electrode were increased with the increase of ionic strength in the PSS solution. The performance improvement of ITO/(PPV/PSS)5/(PPV/CARRA)15/Al device is believed to be due to the formation of a stable interface between the (PPV/CARRA) and the Al electrode as well as the enhancement of hole transporting characteristics of (PPV/PSS) bilayers with added ion salt.

AB - Electrical characteristics of self-assembled devices based on Poly(p-phenylene vinylene) (PPV), Poly(sodium 4-styrenesulfonate) (PSS) and carrageenan (CARRA) were investigated. Relative quantum efficiency of ITO/(PPV/PSS)20/Al device was significantly decreased with the increase of ionic strength of the PSS solution. In contrast, the relative quantum efficiency of ITO/(PPV/PSS)5/(PPV/CARRA)15/Al device prepared by inserting (PPV/CARRA)15 bilayers between the (PPV/PSS)5 film and Al electrode were increased with the increase of ionic strength in the PSS solution. The performance improvement of ITO/(PPV/PSS)5/(PPV/CARRA)15/Al device is believed to be due to the formation of a stable interface between the (PPV/CARRA) and the Al electrode as well as the enhancement of hole transporting characteristics of (PPV/PSS) bilayers with added ion salt.

KW - Electroluminescence (EL)

KW - Poly(p-phenylene vinylene) (PPV)

KW - Self-assembly method

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U2 - 10.1080/10587250108024691

DO - 10.1080/10587250108024691

M3 - Article

AN - SCOPUS:31944451335

SN - 1058-725X

VL - 371

SP - 75

EP - 78

JO - Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals

JF - Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals

ER -

Change in quantum efficiency of self-assembled films based on PPV and ionic salt added PSS

Abstract

Keywords

ASJC Scopus subject areas

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