discotic liquid crystal
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2021 ◽  
pp. 1-16
Author(s):  
Jonathan P. Bramble ◽  
Daniel J. Tate ◽  
Stephen D. Evans ◽  
John E. Lydon ◽  
Richard J. Bushby

2021 ◽  
Vol 17 (4) ◽  
pp. 63-80
Author(s):  
Hussein Abood Idham ◽  
Hanaa Kaain Salih ◽  
Ibtisam Khalifa Jassim

Discotic liquid crystal compounds were synthesized and characterized. Liquid crystalline texture of these compounds was investigated by polarized optical microscopy (POM). The Hartree-Fock approximation (HF) was used to calculate theoretical molecular parameters for synthesized compounds such as optimization, hardness, EHOMO, ELUMO, and energy gap using the Gaussian 09W program.


Author(s):  
Zhenxuan Chen ◽  
Camille Bishop ◽  
Erik Thoms ◽  
Harald Bock ◽  
M. D. Ediger ◽  
...  

Molbank ◽  
10.3390/m1225 ◽  
2021 ◽  
Vol 2021 (2) ◽  
pp. M1225
Author(s):  
Matthias Jochem ◽  
Heiner Detert

Star-shaped compounds are widely recognized as emerging materials for optical and electrical applications and as scaffolds of discotic liquid crystal. While the C3-symmetrical tri(phenylthienyl)benzene is the core for several electroopotical materials, no liquid crystal with this scaffold has yet been reported. Acid-catalyzed cyclocondensation of bromoacetylthiophene gives a C3-symmetrical star, threefold Suzuki coupling results in extension of the conjugated system. With 3,4-didodecylocyphenyl boronic acid, a star with a large rigid conjugated system and flexible aliphatic periphery is obtained. Differentials scanning calorimetry and polarized optical microscopy reveal an enantiotropic mesophase from 66 °C to 106 °C.


Author(s):  
Ashutosh Joshi ◽  
V. Manjuladevi ◽  
Raj Kumar Gupta ◽  
Sandeep Kumar

Author(s):  
Shallu Dhingra ◽  
Indu Bala ◽  
Joydip De ◽  
Santosh Prasad Gupta ◽  
Upendra Kumar Pandey ◽  
...  

A C3-symmetric star-shaped discotic mesogen is reported based on an electron-deficient tris(triazole) central rigid core functionalized with three peripheral trialkoxyphenyl units. The mesogen exhibits an enantiotropic Colh phase that can...


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