Diffraction behaviors of new photopolymers containing the dendritic molecule

Go Woon Kim, Woong Gi Jun, Sang Kyu Lee, Min Ju Cho, Jung Il Jin, Dong Hoon Choi

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)477-482
Number of pages6
JournalMacromolecular Research
Volume13
Issue number6
Publication statusPublished - 2005 Dec 1

Fingerprint

Dendrimers
Photopolymers
Diffraction
Molecules
Diffraction efficiency
Cellulose
Benzoxazoles
Holographic gratings
Plasticizers
Light interference
Photosensitivity
Binders
Refractive index
Modulation
Data storage equipment
Wavelength
cellulose acetate-butyrate

Keywords

  • Dendrimer
  • Diffraction efficiency
  • Holographic grating
  • Photopolymer

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

Cite this

Kim, G. W., Jun, W. G., Lee, S. K., Cho, M. J., Jin, J. I., & Choi, D. H. (2005). Diffraction behaviors of new photopolymers containing the dendritic molecule. Macromolecular Research, 13(6), 477-482.

Diffraction behaviors of new photopolymers containing the dendritic molecule. / Kim, Go Woon; Jun, Woong Gi; Lee, Sang Kyu; Cho, Min Ju; Jin, Jung Il; Choi, Dong Hoon.

In: Macromolecular Research, Vol. 13, No. 6, 01.12.2005, p. 477-482.

Research output: Contribution to journalArticle

Kim, GW, Jun, WG, Lee, SK, Cho, MJ, Jin, JI & Choi, DH 2005, 'Diffraction behaviors of new photopolymers containing the dendritic molecule', Macromolecular Research, vol. 13, no. 6, pp. 477-482.
Kim, Go Woon ; Jun, Woong Gi ; Lee, Sang Kyu ; Cho, Min Ju ; Jin, Jung Il ; Choi, Dong Hoon. / Diffraction behaviors of new photopolymers containing the dendritic molecule. In: Macromolecular Research. 2005 ; Vol. 13, No. 6. pp. 477-482.
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