Photoinduced Orientational Structure Transformation in Cholesteric Microdroplets


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Abstract

In this study, the photoinduced orientational transitions at the variation of boundary conditions in the droplets of cholesteric (chiral nematic) liquid crystal are obtained and investigated. The effect is caused by photoisomerization of the azobenzene dendrimer additive dissolved in the liquid crystal and adsorbed on its interface. A sequence of orientational transitions under low-intensity (~1 mW/cm2) ultraviolet irradiation is revealed.

About the authors

S. A. Shvetsov

M. V. Lomonosov Moscow State University; Lebedev Physical Institute

Author for correspondence.
Email: shvetsov@polly.phys.msu.ru
Russian Federation, Leninskie Gory, Moscow, 119991; 53 Leninskii Pr., Moscow, 119991

A. A. Gruzdenko

M. V. Lomonosov Moscow State University; Lebedev Physical Institute

Email: shvetsov@polly.phys.msu.ru
Russian Federation, Leninskie Gory, Moscow, 119991; 53 Leninskii Pr., Moscow, 119991

A. V. Emelyanenko

M. V. Lomonosov Moscow State University

Email: shvetsov@polly.phys.msu.ru
Russian Federation, Leninskie Gory, Moscow, 119991

N. I. Boiko

M. V. Lomonosov Moscow State University

Email: shvetsov@polly.phys.msu.ru
Russian Federation, Leninskie Gory, Moscow, 119991

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