@ARTICLE{Usol’tseva_N.V._Mix-substituted_2017,
 author={Usol’tseva, N.V. and Smirnova, A.I. and Kazak, A.V. and Giricheva, N.I. and Galanin, N.E. and Shaposhnikov, G.P. and Bodnarchuk, V.V. and Yablonskii, S.V.},
 volume={vol. 25},
 number={No 2},
 journal={Opto-Electronics Review},
 pages={127-136},
 howpublished={online},
 year={2017},
 publisher={Polish Academy of Sciences (under the auspices of the Committee on Electronics and Telecommunication) and Association of Polish Electrical Engineers in cooperation with Military University of Technology},
 abstract={To study the influence of structural features of phthalocyanine (Pc) derivatives on their physico-chemical properties in bulk and thin films, 23 new phthalocyanines with different quantity and ratio of donor (alkyloxy-groups, in fragment “A”) and acceptor (Cl-, in fragment “B”) substituents in one molecule of the A3B, ABAB and AABB types with varied length of alkyloxy-substituents and their metal complexes were designed and synthesized. A comparative analysis of spectral, mesomorphic and photoelectric properties of these mix-substituted phthalocyanines of a “push–pull” type was performed. It was shown that non-peripheral substitution by alkyloxy-fragments in hetero-substituted Pcs (similar to homo-substituted Pc) leads to red-shifting of the Q-band into near-IR region. The intensity of photoluminescence, position of peaks and their splitting are strongly connected with chemical structure of Pcs and the type of solvent. In contrast to non-mesogenic octyloxy-Pc (A4) having alkyloxy-substituents in non-peripheral positions, 22 of 23 synthesized compounds possess columnar mesomorphism. The change of donor–acceptor ratio can influence the type of mesophase. A new approach to the creation of materials for optoelectronics is proposed and implemented, which includes design of compounds possessing vitrification from mesophase with maintenance of a columnar order, absorption in the near IR-region of the spectrum and good performance electrophysical characteristics simultaneously.},
 type={Article},
 title={Mix-substituted phthalocyanines of a “push–pull”-type and their metal complexes as prospective nanostructured materials for optoelectronics},
 URL={http://journals.pan.pl/Content/115360/PDF/main.pdf},
 keywords={“Push–pull” phthalocyanines, Liquid crystals, Electronic absorption spectra, Fluorescence, Photoelectric properties, Langmuir–Schaefer films, DFT calculations, Photovoltaics},
}