Search Results - "Kachkovsky, O. D"

Design and Electronic Structure of New Styryl Dye Bases: Steady-State and Time-Resolved Spectroscopic Studies by Bashmakova, N. V, Shaydyuk, Ye. O, Levchenko, S. M, Masunov, A. E, Przhonska, O. V, Bricks, J. L, Kachkovsky, O. D, Slominsky, Yu. L, Piryatinski, Yu. P, Belfield, K. D, Bondar, M. V

“…A comprehensive investigation of the electronic structure and fast relaxation processes in the excited states of new styryl base-type derivatives was performed…”
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Molecular heteroassociation in films of thiochrome and tryptophan by Gaponov, A. M., Pavlenko, O. L., Dmytrenko, O. P., Kulish, M. P., Ryzhkova, A. S., Lesiuk, A. I., Obernikhina, N. V., Łuszczyńska, B., Kachkovsky, O. D.

“…Optical absorption spectra were studied for films of tryptophan, thiochrome and their layer-by-layer composites. It was shown that the absorption spectra were…”
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Electronic properties of polymethine systems. 12. Solitonic nature of charge distribution in the excited state by Kachkovsky, O.D., Shut', D.M.

“…The electron density distribution in the excited state as compared with the ground state of the ionic polymethine dyes containing both the simplest terminal…”
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Electronic properties of polymethine systems. 11. Absorption spectra and nature of electron transitions in cationic oxystyryl and their neutral derivatives by Pilipchuk, N.V., Kachkovsky, G.O., Slominskii Yu, L., Kachkovsky, O.D.

“…Complex quantum-chemical and spectral study of the features of the electron transitions and absorption spectra of the both oxystyryls and related merocyanines…”
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On the nature of the lowest electron transitions in the borine dye derivatives benz[cd]indole by Kachkovsky, O.D., Yashchuk, V.M., Navozenko, O.M., Naumenko, A.P., Slominskii, Yu.L.

“…[Display omitted] •The new series of cationic cyanine dyes were synthesized.•Cyclization of the both terminal groups by BF2 bridge changes the total charge in…”
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Long-wavelength absorbing fluorescent polymethine dyes derived from the 6-(N,N-diethylamino)-1,2,3,4-tetrahydroxanthylium system by Conceição, D.S., Ferreira, D.P., Prostota, Y., Kachkovsky, O.D., Ferreira, L.F.Vieira, Santos, P.F.

“…[Display omitted] •New derivatives of the 6-(N,N-diethylamino)-1,2,3,4-tetrahydroxanthylium system were synthesized.•The photochemical characterization of…”
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Effect of chromophore elongation on linear and nonlinear optical properties of merocyanines derivatives of diethylaminocoumarin by Gayvoronsky, V.Ya, Uklein, A.V., Gerasov, A.O., Garashchenko, V.V., Kovtun, Yu.P., Shandura, M.P., Kachkovsky, O.D.

“…•A series of merocyanines based on aminocoumarin core with different length of the polymethine chain were studied.•Spectral and quantum-chemical analysis of…”
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Electronic transitions in polymethine dyes involving local and delocalized levels by Viniychuk, O.O., Levchenko, S.M., Przhonska, O.V., Kachkovsky, O.D., Bricks, Yu.L., Kudinova, M.O., Kovtun, Yu.P., Poronik, Ye.M., Shandura, M.P., Tolmachev, O.I.

“…•Polymethine dyes producing delocalized and local molecular orbitals have been investigated.•The local orbitals are characterized by the charge mainly…”
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Asymmetry in ground and excited states in styryls and methoxystyryls detected by NMR (13C), absorption, fluorescence and fluorescence excitation spectroscopy by Stanova, A.V., Ryabitsky, A.B., Yashchuk, V.M., Kachkovsky, O.D., Gerasov, A.O., Prostota, Ya.O., Kropachev, O.V.

“…Combined quantum-chemical and spectral study of electron structure features of styryls and their oxyanalogues containing benzothiazolium, benzooxazolium,…”
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Breaking of symmetrical charge distribution in xanthylocyanine chromophores detecting by their absorption spectra by Vasyluk, S.V., Viniychuk, O.O., Poronik, Ye.M., Kovtun, Yu.P., Shandura, M.P., Yashchuk, V.M., Kachkovsky, O.D.

“…A detailed experimental investigation and quantum-chemical analysis of symmetrical cyanines with xanthylium and its substituted derivatives and with different…”
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Spectroscopic Study and Quantum Chemical Analysis of the Asymmetrical Cationic Polymethine Dye Versus Its Symmetrical Analogues by Bashmakova, N. V., Shaydyuk, Ye. O., Przhonska, O. V., Klishevich, G. V., Melnyk, V. I., Kachkovsky, O. D., Slominsky, Yu. L., Bondar, M. V.

“…A detailed investigation of the steady-state and time-resolved spectral properties of new cationic asymmetrical trimethine cyanine dye with indolenine and…”
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Nature of the lowest electron transitions in the linear conjugated systems derivatives of 2,6-diphenylthiapyrylium: Cationic trimethinecyanine, neutral ethylene, its dication and cation-radical by Kudinova, M.O., Melnyk, D.O., Kachkovsky, O.D., Tolmachev, O.I.

“…► Polyenes and polymethine containing 2,6-diphenylthiapyrylium have been synthesized. ► Their electron structure and the lowest transitions have been…”
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Spectral features of films of bovine serum albumin with thiochrome by Gaponov, A.M., Ryzhkova, A.S., Pavlenko, O.L., Dmytrenko, O.P., Kulish, M.P., Lesiuk, A.I., Kolomys, O.F., Obernikhina, N.V., Kachkovsky, O.D.

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Excited state relaxation in cationic pentamethine cyanines studied by time-resolved spectroscopy by Piryatinski, YuP, Verbitsky, A.B., Dmytruk, A., Malynovskyi, M.B., Lutsyk, P.M., Rozhin, A.G., Kachkovsky, O.D., Prostota, YaO, Kurdyukov, V.V.

“…In this work, we examined the nature and pathways of electronic excitation relaxation at low temperature in cationic pentamethine pyrylocyanine dye, which in…”
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Electronic nature of new styryl dye bases: Linear photophysical, photochemical, and transient absorption spectroscopy studies by Shaydyuk, Ye.O., Boyko, O.P., Kachkovsky, O.D., Slominsky, Yu.L., Bricks, J.L., Belfield, K.D., Bondar, M.V.

“…The features of the electronic structures of a series of new styryl dye bases were investigated and characterized by their steady-state and time-resolved…”
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Linear photophysics, two-photon absorption and femtosecond transient absorption spectroscopy of styryl dye bases by Shaydyuk, Ye.O., Levchenko, S.M., Kurhuzenkau, S.A., Anderson, D., Masunov, A.E., Kachkovsky, O.D., Slominsky, Yu.L., Bricks, J.L., Belfield, K.D., Bondar, M.V.

“…The steady-state and time-resolved linear spectral properties, two-photon absorption spectra and fast relaxation processes in the excited states of styryl…”
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Nature of the lowest electron transitions in styryl bases benzothiazole derivatives and analogues bearing para-methoxy and -trifluoromethyl substituents in phenylyne moiety by Navozenko, O.M., Naumenko, A.P., Yashchuk, V.M., Bricks, J.L., Slominskii, Yu.L., Ryabitskii, A.B., Kachkovsky, O.D.

“…Combined quantum-chemical and spectral investigation of cyanine bases derivatives of thiastyryls as well as their analogues with dimethylamino, metoxy and…”
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Electron structure and nature of electron transitions of squaraine and thiosquaraine as well as their 1,2-isomers by Kurdyukov, V.V., Tolmachev, O.I., Kachkovsky, O.D., Pavlenko, E.L., Dmytrenko, O.P., Kulish, N.P., Iakovyshen, R.S., Brusentsov, V.A., Seryk, M., Momot, A.I.

“…[Display omitted] •We study squaraine and thiosquaraine with 2,6-di-t-Bu-substituted pyrylium residues and their 1,2-isomers.•Both isomers exhibit similar…”
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Quantum-Chemical Study of Acceptor Properties of Fullerene and Its Bridge Derivatives

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Linear and nonlinear optical properties of merocyanines derivatives of malonodinytriles by Gayvoronsky, V. Ya, Uklein, A. V., Slominsky, Yu. L., Prostota, Ya. A., Kachkovsky, O. D., Shkurinov, A. P.

“…A detailed complex study of the series of neutral merocyanine derivatives of malonodinytriles with variable donor terminal groups and with the same acceptor…”
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