Citation: Min Yan Zheng, Yong Sheng Wei, Zhong Wei An, Shan Wang. Synthesis of rod-like bis-ester liquid crystals and their influence on photoelectric properties of liquid crystalline materials[J]. Chinese Chemical Letters, ;2009, 20(5): 549-553. doi: 10.1016/j.cclet.2008.12.058 shu

Synthesis of rod-like bis-ester liquid crystals and their influence on photoelectric properties of liquid crystalline materials

a Department of Chemistry, Xianyang Normal University, Xianyang 712000, China;
b School of Chemistry & Material Science, Shaanxi Normal University, Xi'an 710062, China

Received Date: 15 October 2008

Fund Project: This work was supported by Natural Science Foundation of Shaanxi Province Educational Department (No.07JK426) and Science Foundation of Xianyang Normal University (No.07XSYK219).

Six novel rod-like magnetic liquid crystals have been prepared, in which trans-bicyclohexyl or trans-cyclohexylphenyl and biphenylcarboxylic acid phenyl ester mesogenic cores with n-propyl and n-pentyl substituents were terminated by 4-hydroxyl-TEMPO (TEMPO=2,2,6,6-tetramethylpiperidine-1-oxy). Their structures were confirmed by elemental analysis, IR and MS.Determined by SQUID, EPR, DSC and HS-POM (heat stage polarizing optical microscope), the six compounds all have both magnetic and liquid crystalline properties; their temperature ranges of mesophase were from 16.0 to 24.8℃, and the magnetic liquid crystal molecules could obviously improve the response sensitivity of liquid crystal materials.
- Liquid crystals,
- Magnetic,
- Photoelectric property,
- Ester,
- 4-OH-TEMPO
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