4-Pentylphenyl 4-methoxybenzoate (Nematal 105), liquid crystal (nematic)
Liquid crystal for the application of optical electronics i.e. in liquid-crystal display (LCD).
4-Pentylphenyl 4-methoxybenzoate (PPMB), also known as Nematal 105, is a nematic liquid crystal slightly above room temperature with a chemical structure of 4-methoxyphenyl ester of 4-pentylphenyl.
4-Pentylphenyl 4-methoxybenzoate can act as a host material for luminophores such as N,N′-Bis(2,6-dimethylphenyl)perylene-3,4,9,10-tetracarboxylic diimide (PDI). When PDI is dissolved in the liquid crystal host to an approximate concentration of 10-5 M. PDI molecules are successfully aligned within a nematic liquid crystal. The homeotropic alignment leads to decreased surface losses, despite increased absorption when illuminated through the narrow edges. 4-Pentylphenyl 4-methoxybenzoate can also be used as a achiral host of chiral compounds which induce a helical ordering and thus create a chiral nematic phase, the so called chiral nematic liquid crystal with helical structures.
|Full Name||4-Pentylphenyl 4-methoxybenzoate|
|Synonyms||PPMB, Nematal 105, Pentylphenyl methoxybenzoate, >4-n-Pentylphenyl p-anisate, 4-Amylphenyl 4′-methoyxbenzoate, 4-Methoxybenzoic Acid 4-Pentylphenyl Ester|
|Classification / Family||Phenyl Ester Liquid Crystals, Nematic Liquid Crystals.|
|Melting Point||29.0 °C|
MSDS Documentation4-Pentylphenyl 4-methoxybenzoate MSDS Sheet
Literature and Reviews
- Induced Homeotropic Alignment of Nematic Liquid Crystals by Doping Side-on Carbosilane-based Oligomers, K. Kaneko et al., Chem. Lett., 47 (9), 1180-1183 (2018); DOI: 10.1246/cl.180509.
- “Colored” inorganic dopants for inducing liquid crystal chiral nematic and blue phases: monitoring of dopant–host interaction by Raman spectroscopy, J. Yoshida et al., Chem. Commun., 53, 5103-5106 (2017); DOI: 10.1039/C7CC01920C.
- Towards an aligned luminophore solar concentrator, R. MacQueen et al., Opt. Express, 18, A161-A166 (2010); DOI: 10.1364/OE.18.00A161.
A General Control Strategy to Micropattern Topological Defects in Nematic Liquid Crystals Using Ionically Charged Dielectric Surface, Y. Sasaki et al., Adv. Mater. Interfaces, 8(11), 2100379 (2021); DOI:10.1002/admi.202100379.
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