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

doi:10.1007/s11664-013-2559-2

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

Department of Materials Science and Engineering

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

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 language	English
Pages (from-to)	927-930
Number of pages	4
Journal	Journal of Electronic Materials
Volume	42
Issue number	5
DOIs	https://doi.org/10.1007/s11664-013-2559-2
Publication status	Published - 2013 May

Bibliographical note

Funding Information:
This research was supported by a grant from the Fundamental R&D Program for Technology of World Premier Materials funded by the Ministry of Knowledge Economy, Republic of Korea.

All Science Journal Classification (ASJC) codes

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

Access to Document

10.1007/s11664-013-2559-2

Cite this

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

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.",

author = "Choi, {Pu Reun} and Park, {Hyung Ho} and Eunhae Koo",

note = "Funding Information: This research was supported by a grant from the Fundamental R&D Program for Technology of World Premier Materials funded by the Ministry of Knowledge Economy, Republic of Korea.",

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