Effect of photoaligning azo dye structure on liquid crystal anchoring energy

被引：4

作者：

Barabanova, Natalya N. ^{[1
]}

Belyaev, Victor V. ^{[1
,2
]}

Bogdanov, Dmitriy L. ^{[1
]}

Chigrinov, Vladimir G. ^{[3
]}

Dadivanyan, Artem K. ^{[1
]}

Nazarov, Artem P. ^{[1
]}

Noah, Olga V. ^{[4
]}

机构：

[1] Moscow Reg State Univ, Moscow 105005, Russia

[2] Peoples Friendship Univ Russia, Moscow 117198, Russia

[3] Hong Kong Univ Sci & Technol, Hong Kong, Hong Kong, Peoples R China

[4] Moscow MV Lomonosov State Univ, Moscow 119992, Russia

来源：

JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY | 2015年 / 23卷 / 10期

关键词：

liquid crystals; displays; anchoring energy; dyes; dimerization; hydrogen bond; MOLECULES; ALIGNMENT;

D O I：

10.1002/jsid.403

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A method of controlling anchoring energy of surface interaction of liquid crystal photoaligning substances is considered to enhance the liquid crystal display performances. An important parameter of the dye's molecular structure that determines the ratio of polar and azimuthal anchoring energy is the ability to form dimers. The values of dimerization thermodynamic potentials have been found. The probability of the formation of dye molecules dimers is evaluated. The bonds conjugation transfer via intermolecular hydrogen bond is revealed, and anisotropy of polarizability of the hydrogen bond is evaluated. The effect of dimerization on polar and azimuthal anchoring energy of liquid crystal - azo dye system - is shown.

引用

页码：486 / 490

页数：5

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