Self assembled liquid crystal polymers on photo-irradiated alignment surfaces for tailoring response properties of liquid crystal molecules

Jung Y. Huang*, Liu S. Li

*Corresponding author for this work

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

A liquid crystal polymer (LCP) self-assembled on a photoirradiated substrate can modify the viscoelastic response of liquid crystal medium on the substrate. Sum-frequency vibrational spectroscopy shows that the phenyl groups of LCP are oriented epitaxially with layer thickness and an in-plane alignment order much higher than that at the photoirradiated surface can be yielded. The liquid crystal molecules confined between the LCP-coated substrates reveals a stronger correlation among the thermally excited fluctuation modes. Our finding can be used to tailor the boundary forces on alignment substrates and to optimize the device performance.

Original languageEnglish
Pages (from-to)11770-11775
Number of pages6
JournalJournal of Physical Chemistry B
Volume115
Issue number41
DOIs
StatePublished - 20 Oct 2011

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