Two-photon absorption of electroluminescent conducting polymers

Geon Joon Lee, Mi Kyung Na, Seung-Joon Jeon, Kyung Kon Kim, Dong Won Lee, Young Rae Hong, Jung Il Jin

Research output: Contribution to journalArticle

Abstract

We have investigated two-photon absorption(2PA) characteristics of highly efficient electroluminescent polymers, poly(phenylenevinylene) derivatives with an alkoxy and carbazole or oxadiazole groups as pendants: OxdEh-PPV and CzEh-PPV. We measured two-photon excitation spectra and compared them with one-photon excitation spectra. We found that two- and one-photon transitions satisfy different selection rules. The 2PA coefficients were obtained by measuring the photoluminescence spectra after two- and one-photon absorption. At 840nm, 2PA coefficients of OxdEh-PPV and CzEh-PPV are measured to be 1.0×10-49cm4·s and 4.4×10-49cm4·s, respectively.

Original languageEnglish
Pages (from-to)257-260
Number of pages4
JournalMolecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume371
Publication statusPublished - 2001 Dec 1

Fingerprint

Conducting polymers
conducting polymers
Photons
photons
Oxadiazoles
carbazoles
coefficients
excitation
Photoluminescence
Polymers
Derivatives
photoluminescence
polymers

Keywords

  • Carbazole
  • Oxadiazole
  • Photoluminescence
  • Photoluminescence excitation
  • PPV derivatives
  • Two-photon absorption

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Two-photon absorption of electroluminescent conducting polymers. / Lee, Geon Joon; Na, Mi Kyung; Jeon, Seung-Joon; Kim, Kyung Kon; Lee, Dong Won; Hong, Young Rae; Jin, Jung Il.

In: Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals, Vol. 371, 01.12.2001, p. 257-260.

Research output: Contribution to journalArticle

Lee, Geon Joon ; Na, Mi Kyung ; Jeon, Seung-Joon ; Kim, Kyung Kon ; Lee, Dong Won ; Hong, Young Rae ; Jin, Jung Il. / Two-photon absorption of electroluminescent conducting polymers. In: Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals. 2001 ; Vol. 371. pp. 257-260.
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AU - Hong, Young Rae

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