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Issue 70, 2016, Issue in Progress
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Synthesis, phase behaviour and photo-optical properties of bent-core methacrylate with azobenzene group and corresponding side-chain polymethacrylate

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Abstract

In the present work, synthesis of a new photosensitive bent-core monomer and corresponding side-chain polymethacrylate is described. The liquid crystalline (LC) properties were studied by texture observation, calorimetric and electro-optical measurements. Structural parameters of the LC phases were established from X-ray diffraction. Due to presence of the azobenzene group both compounds revealed photosensitivity and UV-irradiation effectively induces the EZ isomerization process. The photo-optical properties of the spin-coated films of polymethacrylate are analysed and it is found that irradiation with polarized light aligns chromophores in the direction perpendicular to the polarization plane of incident light. Photoorientation proceeds more effectively in the amorphousized films in comparison with annealed LC films.

Graphical abstract: Synthesis, phase behaviour and photo-optical properties of bent-core methacrylate with azobenzene group and corresponding side-chain polymethacrylate

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Publication details

The article was received on 05 May 2016, accepted on 28 Jun 2016 and first published on 30 Jun 2016


Article type: Paper
DOI: 10.1039/C6RA11656F
Citation: RSC Adv., 2016,6, 65747-65755
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    Synthesis, phase behaviour and photo-optical properties of bent-core methacrylate with azobenzene group and corresponding side-chain polymethacrylate

    V. Novotná, A. Bobrovsky, V. Shibaev, D. Pociecha, M. Kašpar and V. Hamplová, RSC Adv., 2016, 6, 65747
    DOI: 10.1039/C6RA11656F

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