Liquid crystalline supramolecular polymers formed via complementary nucleobase pair interactions

Kelly A. Burke, Sona Sivakova, Patrick T. Mather*, Stuart J. Rowan

*この研究の対応する著者

研究成果: Conference contribution

抄録

We report on the effect of placement of nucleobase units, thymine or N6-(4-methoxybenzoyl)-adenine onto the ends of the mesogenic and fluorescent core: bis-4-alkoxy-substituted bis(phenylethynyl)-benzene (AA and BB type monomers). While the addition of these bulky polar groups significantly reduces the range of liquid crystalline behavior, mixing two complementary nucleobase-containing monomer units together yields stable thermotropic liquid crystalline phases. Here, we focus on the effect of non-stoichiometric mixing of AA + BB monomers. Hydrogen bonding is shown to play an important role in the formation of these LC phases consistent with the formation of oligomeric or polymeric hydrogen bonding aggregates. Differential scanning calorimetry (DSC) and polarizing optical microscopy (POM) have been used in our studies, revealed greater stability of LC phase formation for the 1:1 mixture.

本文言語English
ホスト出版物のタイトルLiquid Crystal Materials, Devices, and Applications XI
6135
DOI
出版ステータスPublished - 2006
外部発表はい
イベントLiquid Crystal Materials, Devices, and Applications XI - San Jose, CA, United States
継続期間: 2006 1月 212006 1月 25

Other

OtherLiquid Crystal Materials, Devices, and Applications XI
国/地域United States
CitySan Jose, CA
Period06/1/2106/1/25

ASJC Scopus subject areas

  • 電子工学および電気工学
  • 凝縮系物理学

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