An enhanced host-guest electro-optical polymer system using poly(norbornene-dicarboximides) via ROMP

Feng Yu, Andrew Mark Spring, Lu Li, Feng Qiu, Kazuhiro Yamamoto, Daisuke Maeda, Masaaki Ozawa, Keisuke Odoi, Shiyoshi Yokoyama

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

High glass transition temperature poly(N-cyclohexyl-5-norbornene-2,3- dicarboximide)s (NDI)s prepared by ring opening metathesis polymerization yielded polymers with a narrow polydispersity and well-controlled molecular weight materials when using the Grubbs first generation initiator. Polymers produced using the Grubbs second generation initiator could not be controlled easily. By initiator selection it was also possible to synthesize polymers with either 98 or 52% trans microstructures. These materials were employed as electro-optic (EO) polymer hosts for high molecular hyperpolarizability (β) phenyl vinylene thiophene vinylene bridge chromophores. This chromophore was modified by the incorporation of a tert-butyldiphenylsilane group. The addition was able to further increase its EO coefficient (r33) to reach 93 pm/V in a trans rich poly(NDI) produced by the Grubbs first generation initiator, compared to a benchmark chromophore / polymer combination. We investigated in detail the relationship between polymer microstructure and their absolute molecular weight on forming the best host-guest with the high β chromophore. Our results indicate that by utilizing a very simple host-guest system a high r33 can be realized.

Original languageEnglish
Pages (from-to)1278-1284
Number of pages7
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Volume51
Issue number6
DOIs
Publication statusPublished - Feb 18 2013

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Polymers
Chromophores
Electrooptical effects
Molecular weight
Thiophenes
Microstructure
Ring opening polymerization
Polydispersity
Thiophene
2-norbornene

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

Cite this

An enhanced host-guest electro-optical polymer system using poly(norbornene-dicarboximides) via ROMP. / Yu, Feng; Spring, Andrew Mark; Li, Lu; Qiu, Feng; Yamamoto, Kazuhiro; Maeda, Daisuke; Ozawa, Masaaki; Odoi, Keisuke; Yokoyama, Shiyoshi.

In: Journal of Polymer Science, Part A: Polymer Chemistry, Vol. 51, No. 6, 18.02.2013, p. 1278-1284.

Research output: Contribution to journalArticle

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