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A liquid-crystalline bistable [2]Rotaxane

被引：149
作者：
Aprahamian, Ivan
Yasuda, Takuma
Ikeda, Taichi
Saha, Sourav
Dichtel, William R.
Isoda, Kyosuke
Kato, Takashi [1 ]
Stoddart, J. Fraser
机构：
[1] Univ Tokyo, Sch Engn, Dept Chem & Biotechnol, Bunkyo Ku, Tokyo 113, Japan
[2] Univ Calif Los Angeles, California Nanosyst Inst, Dept Chem & Biochem, Los Angeles, CA 90095 USA
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2007年 / 46卷 / 25期
关键词：
bistability; click chemistry; liquid crystals; rotaxanes; template synthesis;
D O I：
10.1002/anie.200700305
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Entering a new phase: Mesogenic stoppers (purple) at the ends of the rod section of a switchable donor-acceptor [2]rotaxane induce the formation of a smectic A liquid-crystalline (LC) phase over a wide temperature range. The bistable [2]rotaxane which contains a tetracationic cyclophane (blue), a tetrathiafulvalene unit (green), and a 1,5-dioxynaphthalene unit (red) self-assembles into a LC phase with a layer spacing of about 8 nm (see picture). (Figure Presented). © 2007 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码：4675 / 4679
页数：5
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