Effect of temperature on the photoalignment of azo dyes in thin films
- 作者: Mikulich V.S.1, Murauski A.A.1, Muravsky A.A.1, Agabekov V.E.1
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隶属关系:
- Institute of the Chemistry of New Materials
- 期: 卷 90, 编号 3 (2016)
- 页面: 675-682
- 栏目: Photochemistry and Magnetochemistry
- URL: https://bakhtiniada.ru/0036-0244/article/view/167958
- DOI: https://doi.org/10.1134/S0036024416030262
- ID: 167958
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详细
The temperature dependences of the induced dichroic ratios (DRs) of azo dyes after their photoalignment in thin films 80 to 200 nm thick are studied. It is found that the DR values of layers containing dyes of the benzeneazodiphenyl series fall from 6.0 to 1.6 as the temperature rises from 60 to 130°C, respectively. A reduction in induced DR as the temperature rises (from 20 to 100°C) is also observed for the thin films of the dyes of benzeneazo-5,5’-dioxodibenzothiophene group. The absence of induced DR after irradiation with polarized light at 100°C indicates there is no alignment of molecules at this temperature.
作者简介
V. Mikulich
Institute of the Chemistry of New Materials
编辑信件的主要联系方式.
Email: mikulich.vadim@gmail.com
白俄罗斯, Minsk, 220141
An. Murauski
Institute of the Chemistry of New Materials
Email: mikulich.vadim@gmail.com
白俄罗斯, Minsk, 220141
Al. Muravsky
Institute of the Chemistry of New Materials
Email: mikulich.vadim@gmail.com
白俄罗斯, Minsk, 220141
V. Agabekov
Institute of the Chemistry of New Materials
Email: mikulich.vadim@gmail.com
白俄罗斯, Minsk, 220141
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