2PB01 液晶配向に及ぼす極性連結基・末端基の影響

概要

論文の詳細を見る
We observed the alignment of liquid crystals with polar linking and terminal groups on a glass substrate covered with an aminosilane coupling agent by using a polarizing microscope. The liquid crystals used were two types of cyanobiphenyl compounds, 5CB having a cyano group as a terminal substituent and ME7N having a terminal cyano group and an ester linking group between the two phenylene rings. For 5CB the director aligned perpendicular to the amino-covered substrate resulting in a monodomain, while ME7N exhibited a number of domains. In each domain the director aligned parallel to the substrate. These results suggest that the interaction between the polar groups in the liquid crystal and those on the substrate surface plays an important role in the liquid crystal alignment.
日本液晶学会の論文
1997-09-24