DIMERIC SUBSTITUTED COPPER PHTHALOCYANINE LIQUID-CRYSTALS - SYNTHESIS, CHARACTERIZATION AND MAGNETIC-PROPERTIES

被引:94
作者
LELIEVRE, D
BOSIO, L
SIMON, J
ANDRE, JJ
BENSEBAA, F
机构
[1] ECOLE SUPER PHYS & CHIM IND, CNRS, 10 RUE VAUQUELIN, F-75231 PARIS 05, FRANCE
[2] CNRS, ICS, F-67083 STRASBOURG, FRANCE
关键词
D O I
10.1021/ja00038a005
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The synthesis and the characterization (gel permeation chromatography, FAB mass spectrometry, NMR spectroscopy) of a bisphthalocyanine derivative substituted with twelve (2-ethylhexyl)oxy side chains are described. This compound and the corresponding copper complex are shown to form mesophases, probably related to a nematic order. Electron spin resonance (ESR) studies demonstrate a highly anisotropic rotation of the molecule in solution; in the mesophase, both intramolecular antiferromagnetic and intermolecular ferromagnetic couplings have been observed.
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收藏
页码:4475 / 4479
页数:5
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