Dynamics of hydrogen-bonded molecular assemblies and their physical properties

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Dynamic molecular materials have been designed by focusing on the intermolecular hydrogen-bonding interaction in molecular assemblies. For instance, one-dimensional and two-dimensional columnar amide-type hydrogen-bonding interactions of aromatic oligoamide (-CONHCnH2n+1) derivatives were responsible for the external electric field in liquid crystalline state, which induced the polarization inversion and ferroelectricity. Multi-functional ferroelectric organic materials such as fluorescent-ferroelectrics and current switching-ferroelectrics were designed by choosing in a central π-electron core. Mechanically thermoresponsive crystalline materials with high thermal stability were also obtained by designing in the hydrogen-bonding array of dynamic π-molecular system. Through the precise designs of dynamics in molecular assemblies including in the functional π-electron system, "bulk dynamic" properties such as ferroelectricity and thermosalient behavior were coupled with the intrinsic π-electronic properties such as electrical conducting, magnetic, and optical properties. Such multi-functional organic materials have a potential to construct a new molecular science.

Original languageEnglish
Pages (from-to)801-812
Number of pages12
JournalYuki Gosei Kagaku Kyokaishi/Journal of Synthetic Organic Chemistry
Issue number8
Publication statusPublished - 2020 Aug 1


  • Amide
  • Ferroelectricity
  • Hydrogen bond
  • Hydrogen-bonded organic framework
  • Liquid crystal
  • Molecular assembly
  • Molecular motion
  • Thermosalient effect

ASJC Scopus subject areas

  • Organic Chemistry

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