Synthesis and characterization of luminescent eu(TTA)3phen in a poly(ethylene oxide) matrix for detecting traces of water

Pu Reun Choi, Hyung-Ho Park, Eunhae Koo

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The water vapor transmission rate (WVTR) is limited to 10-6 g/m2/day for flexible organic light-emitting diodes. However, it is difficult to measure permeability as low as 10-6 g/m2/day with current commercial testing methods. To address this need, a developed optochemical method which is extremely sensitive to oxygen or water shows promise. In this study, an Eu complex is synthesized and characterized as a fluorescent probe for detecting traces of water molecules. The Eu-complex film dispersed in poly(ethylene oxide) has strong red fluorescence that is easily quenched by a trace of water. Based on the photoluminescence spectra, the detection limit of the film to water appears to be below 1.0 × 10 -9 g/cc. This suggests that the Eu-complex film can be used as a film sensor to measure WVTRs below 10-6 g/m2/day.

Original languageEnglish
Pages (from-to)927-930
Number of pages4
JournalJournal of Electronic Materials
Volume42
Issue number5
DOIs
Publication statusPublished - 2013 Apr 8

Fingerprint

ethylene oxide
Polyethylene oxides
Water
synthesis
matrices
water
Steam
Organic light emitting diodes (OLED)
Fluorescent Dyes
Water vapor
water vapor
Photoluminescence
permeability
light emitting diodes
Fluorescence
Oxygen
photoluminescence
fluorescence
Molecules
europium-thenoyltrifluoroacetone

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry

Cite this

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abstract = "The water vapor transmission rate (WVTR) is limited to 10-6 g/m2/day for flexible organic light-emitting diodes. However, it is difficult to measure permeability as low as 10-6 g/m2/day with current commercial testing methods. To address this need, a developed optochemical method which is extremely sensitive to oxygen or water shows promise. In this study, an Eu complex is synthesized and characterized as a fluorescent probe for detecting traces of water molecules. The Eu-complex film dispersed in poly(ethylene oxide) has strong red fluorescence that is easily quenched by a trace of water. Based on the photoluminescence spectra, the detection limit of the film to water appears to be below 1.0 × 10 -9 g/cc. This suggests that the Eu-complex film can be used as a film sensor to measure WVTRs below 10-6 g/m2/day.",
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Synthesis and characterization of luminescent eu(TTA)3phen in a poly(ethylene oxide) matrix for detecting traces of water. / Choi, Pu Reun; Park, Hyung-Ho; Koo, Eunhae.

In: Journal of Electronic Materials, Vol. 42, No. 5, 08.04.2013, p. 927-930.

Research output: Contribution to journalArticle

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