Alignment behavior of liquid crystals on the crosslinked film of monomers with fluorinated groups

	Alignment behavior of liquid crystals on the crosslinked film of monomers with fluorinated groups
	Fei C. H.; Zhang L. L.; Yao L. S.; Lu F. Z.; Ao Z. M.; Peng Z. H.; Xuan L.
	2006
发表期刊	Acta Physico-Chimica Sinica
ISSN	1000-6818
卷号	22 期号:9 页码:1056-1060
摘要	A series of photosensitive monomers, including hexafluorobiphenol A dicinnamate ester (6F-BADE) and fluorinated dicinnamate esters (FDE-n, n=2, 3, 4), were synthesized. These monomers could be crosslinked under irradiation of linearly polarized ultraviolet light. FTIR spectra and GPC spectra were used to measure the results in real time. The results indicated that the crosslinking reaction was [2+2] cycloaddition. The photoalignment films formed by monomers under the ultraviolet light could induce different types of liquid crystal (LC) alignments: 6F-BADE and FDE-n films resulted in vertical and parallel alignments, respectively. AFM images of the surfaces of the alignment showed no obvious anisotropy on the surfaces of these films. Finally, it was found that, using semiempirical method AM1 of quantum mechanics, the difference of the polarities among different monomer molecules was large, which was considered to be the main cause resulting in different LC alignments.
收录类别	SCI
语种	中文
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/34057
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Fei C. H.,Zhang L. L.,Yao L. S.,et al. Alignment behavior of liquid crystals on the crosslinked film of monomers with fluorinated groups[J]. Acta Physico-Chimica Sinica,2006,22(9):1056-1060.
APA	Fei C. H..,Zhang L. L..,Yao L. S..,Lu F. Z..,Ao Z. M..,...&Xuan L..(2006).Alignment behavior of liquid crystals on the crosslinked film of monomers with fluorinated groups.Acta Physico-Chimica Sinica,22(9),1056-1060.
MLA	Fei C. H.,et al."Alignment behavior of liquid crystals on the crosslinked film of monomers with fluorinated groups".Acta Physico-Chimica Sinica 22.9(2006):1056-1060.

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