期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 132, 期 25, 页码 8530-+出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja101866e
关键词
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资金
- JASRI [2008B1777, 2009A1651, 2009A1699]
- Grants-in-Aid for Scientific Research [20111010] Funding Source: KAKEN
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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