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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2013, 2, 80—89.
Influence of Molecular Structure of Unsymmetrical «Push – Pull» Phthalocyanines on Their Optical Properties in Solutions and Thin Films
I. Yu. Luk'yanov1, N. V. Usol'tseva1, N. E. Galanin2, M. V. Korel'chuk2, G. P. Shaposhnikov2, S. G. Yudin3
Author affiliations 1Ivanovo State University, Nanomaterials Research Institute
Russia, 153025, Ivanovo, Ermak street, 39. E-mail: firstname.lastname@example.org 2Ivanovo State University of Chemistry and Technology
Institute of Macroheterocycles. Russia, 153000 Ivanovo, Av. F. Engel’s, 7 3A. V. Shubnikov Institute of Crystallography of Russian Academy of Sciences,119333, Russia,Moscow, Leninskiy Prospect, 59
Abstract The influence of molecular structure of three unsymmetrically substituted phthalocyanine derivatives with 3,6-dioctyloxyphthalonitrile and 3,4,5,6-tetrachlorphthalonitrile fragments as well as their metal complexes with holmium, on luminescent properties in solutions and Langmuir — Blodgett (PLB) films was investigated. Comparison of absorption spectra of these compounds in thin films and chloroform solutions suggests that the compounds exhibit a greater tendency to association in films than in solutions. The study of luminescence spectra of phthalocyanine derivatives showed that the intensity of luminescence of the studied compounds in toluene solutions higher than in chloroform. Addition into solution of C60 fullerene reduces intensity of luminescence.