Nonlinear optical side-chain polymers post-functionalized with high-β chromophores exhibiting large electro-optic property

Xianqing Piao, Xianmin Zhang, Yuichi Mori, Masayuki Koishi, Akinari Nakaya, Shinichiro Inoue, Isao Aoki, Akira Otomo, Shiyoshi Yokoyama

Research output: Contribution to journalArticle

61 Citations (Scopus)

Abstract

Electro-optic side-chain polymers have been synthesized by the post-functionalization of methacrylate isocyanate polymers with novel phenyl vinylene thiophene vinylene bridge (FTC) nonlinear optical chromophores. For this application, FTC-based chromophores were modified in their electronic donor structure, exhibiting much larger molecular hyperpolarizabilities compared with the benchmark FTC. Of these new chromophores, absorption spectra, hyper-Rayleigh scattering experiment, and thermal analysis were carried out to confirm availability as effective nonlinear optical units for electro-optic side-chain polymers. The electro-optic coefficients (r33) of obtained polymers were investigated in the process of in situ poling by monitoring the temperature, current flow, poling field, and electro-optic signal. Compared with the nonsubstituted analogue, benxyloxy modified FTC chromophore significantly achieved higher nonlinear optical property, exhibiting molecular hyperpolarizability at 1.9 μm of 4600 × 10-30 esu and an r33 value of 150 pm/V at the wavelength of 1.31 μm. Synthesized electro-optic polymers showed high glass transition temperature (Tg), so that the temporal stability examination exhibited >78% of the electro-optic intensity remaining at 85 °C over 500 h.

Original languageEnglish
Pages (from-to)47-54
Number of pages8
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Volume49
Issue number1
DOIs
Publication statusPublished - Jan 1 2011

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Chromophores
Electrooptical effects
Polymers
Isocyanates
Thiophenes
Rayleigh scattering
Methacrylates
Thiophene
Thermoanalysis
Absorption spectra
Flow fields
Optical properties
Availability
Wavelength
Monitoring
Experiments

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

Cite this

Nonlinear optical side-chain polymers post-functionalized with high-β chromophores exhibiting large electro-optic property. / Piao, Xianqing; Zhang, Xianmin; Mori, Yuichi; Koishi, Masayuki; Nakaya, Akinari; Inoue, Shinichiro; Aoki, Isao; Otomo, Akira; Yokoyama, Shiyoshi.

In: Journal of Polymer Science, Part A: Polymer Chemistry, Vol. 49, No. 1, 01.01.2011, p. 47-54.

Research output: Contribution to journalArticle

Piao, Xianqing ; Zhang, Xianmin ; Mori, Yuichi ; Koishi, Masayuki ; Nakaya, Akinari ; Inoue, Shinichiro ; Aoki, Isao ; Otomo, Akira ; Yokoyama, Shiyoshi. / Nonlinear optical side-chain polymers post-functionalized with high-β chromophores exhibiting large electro-optic property. In: Journal of Polymer Science, Part A: Polymer Chemistry. 2011 ; Vol. 49, No. 1. pp. 47-54.
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