Holographic recording on photopolymers containing pyrene for enhanced fluorescence intensity

Hyunjin Oh, Jeonghun Kim, Eunkyoung Kim

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Photopolymer films containing pyrene were studied for fluorescence intensity enhancement by holographic recording. Photopolymer films were prepared from a solution containing a monomer mixture of s-triazine dimethacrylic monomer (DT) and ethylene glycol phenyl ether acrylate (PA), polysulfone as a binder, pyrene as a fluorescent dopant, and a visible light sensitive photoinitiator. The films were exposed by means of holographic techniques, resulting in a spatial intensity distribution in the films. The diffraction efficiency of the film containing 1 wt % of pyrene reached a maximum of 93%. The fluorescence intensity of the film was enhanced in conjunction with diffraction efficiency growth, proving that the increase in the fluorescence intensity of the film originated from the increased pyrene monomer emission in response to the increased viscosity around the pyrene molecules. The enhancement of the fluorescence intensity of the recorded area was ∼2 in reference to the unrecorded area. The recorded area showed grating, which could be identified by transmittance as well as fluorescence scan. The grating spacing and fluorescence intensity of the recorded area were correlated to the pyrene content and incident angle of recording beam.

Original languageEnglish
Pages (from-to)7160-7165
Number of pages6
JournalMacromolecules
Volume41
Issue number19
DOIs
Publication statusPublished - 2008 Oct 14

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Photopolymers
Pyrene
Fluorescence
Diffraction efficiency
Monomers
Triazines
Polysulfones
Ethylene Glycol
pyrene
Ethylene glycol
Binders
Ethers
Doping (additives)
Viscosity
Molecules

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

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Holographic recording on photopolymers containing pyrene for enhanced fluorescence intensity. / Oh, Hyunjin; Kim, Jeonghun; Kim, Eunkyoung.

In: Macromolecules, Vol. 41, No. 19, 14.10.2008, p. 7160-7165.

Research output: Contribution to journalArticle

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