UV Induced Photoalignment and Colour Change in Nematic Liquid Crystals with Provitamin D Dopant

Adsorption of provitamin D 3 molecules at glass/quartz substrate surface of a LC cell provided uniform alignment of nematic LCs in homeotropic orientation that was changed to the planar one under linearly polarized UV irradiation. Reversible switching between the two orientations has been achieved b...

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Bibliographic Details
Published in:Molecular crystals and liquid crystals (Philadelphia, Pa. : 2003) Pa. : 2003), 2005-05, Vol.430 (1), p.199-203
Main Authors: Gvozdovskyy, I., Orlova, T., Terenetskaya, I.
Format: Article
Language:English
Subjects:
data storage
optical imaging
photoalignment
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Summary:Adsorption of provitamin D 3 molecules at glass/quartz substrate surface of a LC cell provided uniform alignment of nematic LCs in homeotropic orientation that was changed to the planar one under linearly polarized UV irradiation. Reversible switching between the two orientations has been achieved by applied electric field. The effects revealed are usable in optical imaging and data storage, in LC display technology and other applications.
ISSN:1542-1406
1563-5287
DOI:10.1080/15421400590946389