Smectic A phase in a new bent-shaped mesogen based on a 2,3-naphthalene central core with an acute-subtended angle

被引：21

作者：

Choi, E-Joon ^{[1
]}

Cui, Xin ^{[1
]}

Ohk, Chang-Woo ^{[2
]}

Zin, Wang-Cheol ^{[2
]}

Lee, Ji-Hoon ^{[3
]}

Lim, Tong-Kun ^{[3
]}

Jang, Won-Gun ^{[4
]}

机构：

[1] Kumoh Natl Inst Technol, Dept Polymer Sci & Engn, Gumi 730701, Gyungbuk, South Korea

[2] Pohang Univ Sci & Technol, Dept Mat Sci & Engn, Pohang 790784, Gyungbuk, South Korea

[3] Korea Univ, Dept Phys, Seoul 136713, South Korea

[4] Korea Photon Technol Inst, Kwangju 500460, South Korea

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2010年 / 20卷 / 18期

关键词：

LIQUID-CRYSTALS; MOLECULAR-STRUCTURE; ACHIRAL MOLECULES; 2,7-DIHYDROXYNAPHTHALENE; DERIVATIVES; MONOMERS; BEHAVIOR;

D O I：

10.1039/b919404e

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A new bent-shaped molecule which consists of an acute-angled central core and all-ester linking groups has been prepared: 2,3-naphthylene bis[4-(4-n-dodecyloxybenzoyloxy)benzoate]. Its mesomorphic properties have been investigated by DSC, polarizing microscopy, and X-ray diffraction measurements. Moreover, we have carried out detailed electro-optical investigations including birefringence, switching current response, IR dichroism, and second-harmonic generation (SHG) measurements. On the basis of the experimental data a plausible model for the mesophase alignments has been proposed.

引用

收藏

页码：3743 / 3749

页数：7

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