Molecular orientation of polar self-assembled films

被引：4
|
作者：
Kimura-Suda, H
Wada, T
Choi, SA
Zhang, YD
Sasabe, H
机构：
[1] Japan Sci & Technol Corp, JST, CREST, Wako, Saitama 3510198, Japan
[2] RIKEN, Inst Phys & Chem Res, Frontier Res Program, Wako, Saitama 3510198, Japan
[3] Korea Adv Inst Sci & Technol, Dept Chem Engn, Taejon 305701, South Korea
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1999年 / 327卷
关键词：
carbazole polymers; phase measurement; interference; SHG; self-assembled film;
D O I：
10.1080/10587259908026787
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Molecular orientation of polar self-assembled films of carbazole main-chain polymers having a chromophore in a side-chain were investigated by a second-harmonic generation (SHG) phase measurement. In our SHG phase measurement, poly(methyl methacrylate) thin film doped with p-nitroaniline (PNA/PMMA) was used as a standard sample and an oscillator, because the directional sense of PNA was able to be controlled by the polarity of an electric field. The interference pattern between the two poled PNA/PMMA films was shifted by pi depending on the polarity of the films. The interference pattern between the poled PNA/PMMA film and the self-assembled film indicated that the directional sense of the net dipole moment of the self-assembled film was the same as the direction of shear stress.
引用
收藏
页码：91 / 94
页数：4
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