The first examples of discotic radicals: columnar mesomorphism in spin-carrying triphenylenes

被引：26

作者：

Yelamaggad, Channabasaveshwar V. ^{[2
]}

Achalkumar, Ammathnadu S. ^{[2
]}

Rao, D. S. Shankar ^{[2
]}

Nobusawa, Mitsunori ^{[1
]}

Akutsu, Hiroki ^{[1
]}

Yamada, Jun-ichi ^{[1
]}

Nakatsuji, Shin'ichi ^{[1
]}

机构：

[1] Univ Hyogo, Grad Sch Mat Sci, Kamigori, Hyogo 6781297, Japan

[2] Ctr Liquid Crystal Res, Bangalore 560013, Karnataka, India

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2008年 / 18卷 / 29期

关键词：

D O I：

10.1039/b805870a

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：

The synthesis, columnar behaviour and magnetic properties of the first examples of radical discotics are reported. These organic molecular systems with spin sources have been accomplished by covalently linking triphenylene with molecular radicals. The columnar mesomorphism of these new radicals has been established unambiguously using several complementary techniques. Magnetic susceptibility measurements in the fluid columnar, frozen columnar and solid states reveal the antiferromagnetic intermolecular interactions of Curie-Weiss behaviour.

引用

页码：3433 / 3437

页数：5