INPLANE ORIENTATION OF A HEXADODECYLOXY SUBSTITUTED TRIARYL PYRYLIUM SALT BY THE LANGMUIR-BLODGETT METHOD

被引：8

作者：

ECOFFET, C

MARKOVITSI, D

VANDEVYVER, M

BARRAUD, A

VEBER, M

JALLABERT, C

STRZELECKA, H

ALBOUY, PA

机构：

[1] ECOLE SUPER PHYS & CHIM IND,CNRS,F-75231 PARIS 05,FRANCE

[2] UNIV PARIS 11,PHYS SOLIDES LAB,F-91405 ORSAY,FRANCE

来源：

THIN SOLID FILMS | 1992年 / 210卷 / 1-2期

关键词：

D O I：

10.1016/0040-6090(92)90348-F

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A triaryl pyrylium salt forming bulk discotic columnar liquid crystals yields stable monolayers at the air-water interface. Multilayers can be easily built up yielding films free of light scattering defects. The Langmuir-Blodgett films have been studied by infrared absorption spectroscopy. fluorescence spectroscopy and X-ray diffraction. It is shown that the molecular disks are perpendicular both to the substrate and to the dipping direction; the molecular arrangement within the layers corresponds to a discotic nematic order.

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页码：586 / 588

页数：3

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