Macromolecular Research

  • 제13권6호
  • /
  • Pages.477-482
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  • 2005
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  • 1598-5032(pISSN)
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  • 2092-7673(eISSN)
한국고분자학회 (The Polymer Society of Korea)
권호 표지

Diffraction Behaviors of New Photopolymers Containing the Dendritic Molecule

  • Kim Go Woon (Department of Chemistry, Center for Electro-& Photo-responsive Molecules, Korea University) ;
  • Jun Woong Gi (Department of Chemistry, Center for Electro-& Photo-responsive Molecules, Korea University) ;
  • Lee Sang Kyu (Department of Chemistry, Center for Electro-& Photo-responsive Molecules, Korea University) ;
  • Cho Min Ju (Department of Chemistry, Center for Electro-& Photo-responsive Molecules, Korea University) ;
  • Jin Jung-Il (Department of Chemistry, Center for Electro-& Photo-responsive Molecules, Korea University) ;
  • Choi Dong Hoon (Department of Chemistry, Center for Electro-& Photo-responsive Molecules, Korea University)
  • 발행 : 2005.12.01
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초록

Photopolymers are attractive materials for holographic 3-D data storage because of their high photosensitivity and large refractive index modulation. We synthesized the six-armed dendrimer for fabricating the new photopolymer. It was prepared using the initiating mixture of hexaarylbiimidazole (HABI), mercapto-benzoxazole (MOBZ), and 2,6-bis(4-diethylaminobenzylidene)cyclopentanone (DEAW), which is sensitive to 514 nm wavelength. The holographic gratings were fabricated successfully in these photopolymer samples by conventional optical interference method. We investigated the effect of dendrimer, either as a binder or as a plasticizer in the cellulose acetate butyrate (CAB), on the diffraction behavior. The addition of only 1 wt$\%$ of dendrimer-I into the CAB significantly increased the diffraction efficiency. The sample doped with dendrimer showed around 80-83$\%$ of the diffraction efficiency.

키워드

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