Columnar liquid crystal with a spontaneous polarization along the columnar axis

Daigo Miyajima; Fumito Araoka; Hideo Takezoe; Jungeun Kim; Kenichi Kato; Masaki Takata; Takuzo Aida

doi:10.1021/ja101866e

Columnar liquid crystal with a spontaneous polarization along the columnar axis

Daigo Miyajima, Fumito Araoka, Hideo Takezoe, Jungeun Kim, Kenichi Kato, Masaki Takata, Takuzo Aida

Research output: Contribution to journal › Article › peer-review

54 Citations (Scopus)

Abstract

A fan-shaped molecule (2), carrying hydrogen-bonding amide groups in proximity to its polar aromatic core, self-assembles into a columnar liquid crystalline mesophase, which unprecedentedly possesses a spontaneous macroscopic polarization along the columnar axis. Due to its polar nature, the mesophase displays a signal of second harmonic generation (SHG), which disappears on phase transition to an isotropic melt and then retrieves its original intensity on subsequent cooling.

Original language	English
Pages (from-to)	8530-8531
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	132
Issue number	25
DOIs	https://doi.org/10.1021/ja101866e
Publication status	Published - 2010 Jun 30
Externally published	Yes

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja101866e

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AU - Miyajima, Daigo

AU - Araoka, Fumito

AU - Takezoe, Hideo

AU - Kim, Jungeun

AU - Kato, Kenichi

AU - Takata, Masaki

AU - Aida, Takuzo

PY - 2010/6/30

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AB - A fan-shaped molecule (2), carrying hydrogen-bonding amide groups in proximity to its polar aromatic core, self-assembles into a columnar liquid crystalline mesophase, which unprecedentedly possesses a spontaneous macroscopic polarization along the columnar axis. Due to its polar nature, the mesophase displays a signal of second harmonic generation (SHG), which disappears on phase transition to an isotropic melt and then retrieves its original intensity on subsequent cooling.

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Columnar liquid crystal with a spontaneous polarization along the columnar axis

Abstract

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