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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2018, 18 (3), 74—81. DOI: 10.18083/LCAppl.2018.3.74
Self-Organization of Azo Dye KD-2 in Floating Layers and Langmuir – Schaefer Films
А. V. Kazak1,2, L. N. Zhukova1, M. I. Kovaleva1, D. N. Chausov2, M. M. Kuznetsov2, G. F. Gabdulsadykova3
Author affiliations 1Nanomaterials Research Institute, Ivanovo State University,
39 Ermak St., Ivanovo, 153025, Russia E-mail: email@example.com 2Moscow Region State University, 24 Very Voloshinoy St., Mytishi, 141014, Russia 3Ivanovo State Medical Academy, 8 Sheremetevsky Ave., Ivanovo, 153012, Russia
Abstract For the formation of oriented layers of mesogens, floating layers and Langmuir-Schaefer films of azo dye KD-2 were obtained. A model of a monolayer packing of the investigated compound on water surface is constructed and the geometric characteristics of this package were calculated. It was established that the area per molecule in the densest monolayer is 0.96 nm2 (Amol= 0.96 nm2). The spectral characteristics of the transferred Langmuir –Schaefer films in the condensed phase are studied. It is shown that the maximum of the absorption band shifts to the long-wavelength region and the broadening of the band occurs, which we explain by aggregation of molecules in these films.