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Current issue   Ukr. J. Phys. 2016, Vol. 61, N 11, p.968-972
http://dx.doi.org/10.15407/ujpe61.11.0968    Paper

Klishevich G.V.1, Curmei N.D.1, Lebovka N.I.2, Melnyk V.I.1

1 Institute of Physics, Nat. Acad. of Sci. of Ukraine
(46, Nauky Prosp., Kyiv 03028, Ukraine)
2 Institute for Biocolloidal Chemistry, Nat. Acad. of Sci. of Ukraine
(42, Vernadsky Av., Kyiv, 03142, Ukraine)

Conformational Effects and Photoluminescence Spectra of Nanocomposites 5CB Liquid Crystals–Carbon Nanotubes

Section: Soft Matter
Original Author's Text: English

Abstract: Specific temperature dependences (10–300 K) of the emission band maximum, its intensity and half-width in the luminescence spectra of 5CB liquid crystals and 5CB + carbon nanotube nanocomposites are observed. The analysis of the luminescence spectra and thermal properties of the studied systems has shown that the observed features are due to polymorphic transformation of 5CB and conformational changes of its molecules.

Key words: liquid crystals, luminescence, carbon nanotube, conformational changes.

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