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Preparation and optical properties of poly(4-ethynyl-4′-[N,N-diethylamino]azobenzene-co-phenylacetylene)

  • Shouchun Yin
  • , Hongyao Xu*
  • , Wenfang Shi
  • , Liang Bao
  • , Yachen Gao
  • , Yinlin Song
  • , Ben Zhong Tang
  • *Corresponding author for this work
  • University of Science and Technology of China
  • Anhui University
  • Harbin Institute of Technology
  • Hong Kong University of Science and Technology

Research output: Contribution to journalArticlepeer-review

Abstract

A novel soluble functional polyacetylene copolymer (poly(EAAB-co-PA)) of 4-ethynyl-4′-[N,N-diethylamino]azobenzene (EAAB) and phenylacetylene (PA) was synthesized. The structures and properties of the polymers were characterized and evaluated by FTIR, UV-vis, 1H NMR, GPC, optical limiting, and nonlinear optical analyses. The results show that poly(EAAB-co-PA) has the large third-order nonlinear susceptibility, which are two orders of magnitude larger than those of poly(PA) and novel optical limiting property.

Original languageEnglish
Pages (from-to)119-123
Number of pages5
JournalDyes and Pigments
Volume72
Issue number1
DOIs
StatePublished - 2007

Keywords

  • Azo dyes
  • Chromophore
  • Nonlinear optics
  • Optical limiting
  • Substituted polyacetylene
  • Z-scan

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