Tailoring discotic mesophases:: Columnar order enforced with hydrogen bonds

被引：158

作者：

Gearba, RI

Lehmann, M

Levin, J

Ivanov, DA

Koch, MHJ

Barberá, J

Debije, MG

Piris, J

Geerts, YH

机构：

[1] Free Univ Brussels, Polymer Phys Lab, B-1050 Brussels, Belgium

[2] Free Univ Brussels, Lab Chim Polymers, B-1050 Brussels, Belgium

[3] EMBL, Hamburg Outstat, European Mol Biol Lab, D-22603 Hamburg, Germany

[4] Univ Zaragoza, CSIC, Fac Ciencias, ICMA, E-50009 Zaragoza, Spain

[5] Delft Univ Technol, Interfac Reactor Inst, NL-2629 JB Delft, Netherlands

来源：

ADVANCED MATERIALS | 2003年 / 15卷 / 19期

关键词：

D O I：

10.1002/adma.200305137

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Hydrogen bonding can be used to significantly enforce the intra-columnar stacking order in discotic mesogens. The ordered hexagonal columnar mesophase of a HAT-CONHR derivative is characterized by the smallest-inter-disk distance ever found in columnar liquid crystals (3.18-3.20 Angstrom). This additional attractive interaction between the disks in the column results in a regular disc stacking and thus in a high charge-carrier mobility over the whole investigated temperature range (from room temperature up to 200 degreesC).

引用

页码：1614 / +

页数：6

共 46 条

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