Synthesis and properties of photoisomerizable derivatives of isosorbide and their use in cholesteric filters

Johan Lub, Wim P.M. Nijssen, René T. Wegh, Joost P.A. Vogels, Ana Ferrer

Research output: Contribution to journalArticleAcademicpeer-review

32 Citations (Scopus)

Abstract

This paper describes the synthesis of photoisomerizable derivatives of isosorbide. These derivatives contain a stilbene or cinnamate moiety and can therefore be used as photoisomerizable chiral compounds in cholesteric liquid-crystalline mixtures. The reflection wavelength of cholesteric layers made from these mixtures is increased by UV irradiation due to the fact that the Z-isomers of these derivatives exhibit a lower helical twisting power than the corresponding E-isomers. The cinnamate derivatives are very suitable for use in cholesteric color filters that find application in liquid-crystal displays.

Original languageEnglish
Pages (from-to)1961-1972
Number of pages12
JournalAdvanced Functional Materials
Volume15
Issue number12
DOIs
Publication statusPublished - 1 Dec 2005
Externally publishedYes

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