Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Andrii V. Kulinich"'
Publikováno v:
Structural Chemistry. 33:169-178
The concept of the ideal polymethine state lies at the heart of the theory of color of π-conjugated organic compounds. For merocyanines—neutral donor–acceptor polymethine dyes—an attainment of a structure close to the cyanine limit is usually
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d35e881944aad041e6451b44e4bc4196
https://doi.org/10.1007/s11224-021-01834-7
https://doi.org/10.1007/s11224-021-01834-7
Publikováno v:
Structural Chemistry. 32:1341-1345
Herein we report an X-ray crystallographic characterization of tetramethine merocyanine based on benzimidazole and thiobarbituric acid, which shows negative solvatochromism in the entire polarity range of organic solvents. In the crystal, there are t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::166d870f47b25297d017b687769ce93e
https://doi.org/10.1007/s11224-021-01774-2
https://doi.org/10.1007/s11224-021-01774-2
Publikováno v:
Physical Chemistry Chemical Physics. 22:2748-2762
Three vinylogous series of merocyanines with the tricyanofuran (TCF) acceptor and different electron-donor groups have been synthesized, and their absorption and fluorescence spectra have been studied in different polarity solvents to reveal the poly
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5c2fde64926fac826e7fa7911ba3ce4
https://doi.org/10.1039/c9cp05827c
https://doi.org/10.1039/c9cp05827c
Publikováno v:
Optics and Spectroscopy. 128:61-65
The effect of silver nanoparticles (NPs) on the spectral-luminescence and lasing properties of an ethanolic solution of positive solvatochromic merocyanine dye is studied. Increases in the absorption cross section, intensity, and duration of dye fluo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8cb85823696539b0391b734d977dfc8
https://doi.org/10.1134/s0030400x20010026
https://doi.org/10.1134/s0030400x20010026
Publikováno v:
Computational and Theoretical Chemistry. 1154:50-56
The electronic structure and spectral-fluorescent properties of vinylogous positively solvatochromic merocyanines have been studied within the four-level scheme of electronic states using the DFT and TD-DFT computations. The calculations with the sol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a319029b04b021b01be9f24d9a098b69
https://doi.org/10.1016/j.comptc.2019.03.018
https://doi.org/10.1016/j.comptc.2019.03.018
Publikováno v:
Journal of Applied Spectroscopy. 86:35-42
Absorption and fluorescence spectra of positive and negative solvatochromic merocyanine dyes of the same structural type in polymer films of various polarities, e.g., polystyrene, poly(vinyl butyral), and poly-N-epoxypropylcarbazole, are studied. Neg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::91f82260fffc5e2d1fcd7a10083d9657
https://doi.org/10.1007/s10812-019-00777-6
https://doi.org/10.1007/s10812-019-00777-6
Autor:
Alexander A. Ishchenko, Stefan S. Kurek, Nadezhda A. Derevyanko, Igor Kobasa, Piotr P. Romańczyk, Nataliia B. Gusyak, Andrii V. Kulinich
Publikováno v:
Dyes and Pigments. 161:24-33
The electrochemical properties of 48 cationic, anionic and merocyanine polymethine dyes have been studied using cyclic voltammetry. The effect of structural parameters, viz. the chromophore charge, the donor-acceptor properties of the terminal groups
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05dee1280223553828f234ad7882506e
https://doi.org/10.1016/j.dyepig.2018.09.031
https://doi.org/10.1016/j.dyepig.2018.09.031
Publikováno v:
Theoretical and Experimental Chemistry. 54:369-374
An increase in the concentration of silver nanoparticles (NP) initially causes an increase and then a decrease in the absorption and fluorescence intensities of a solution of tetramethinemerocyanine dye derived from indole and thiobarbituric acid. In
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2de82752f3336c14da792fa039ee2ec6
https://doi.org/10.1007/s11237-019-09583-9
https://doi.org/10.1007/s11237-019-09583-9
Publikováno v:
New Journal of Chemistry. 43:13954-13966
Vinylogous series of merocyanines have been synthesized with indole, benzimidazole, and benzo[cd]indole as the donor termini and 1,2-diphenyl-3,5-pyrazolidinedione as the acceptor terminal group. Their absorption and fluorescence spectra have been st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a02534588ca549f00fb969f897d050ea
https://doi.org/10.1039/c9nj03275d
https://doi.org/10.1039/c9nj03275d
Publikováno v:
New Journal of Chemistry. 43:7379-7385
Stilbazolium merocyanine dyes with tert-butyl substituents in the donor terminal group were synthesized for the first time. Their absorption and fluorescence spectra in a series of solvents of various polarities were compared with those of Brooker's
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5927a4db978315b71cfa8b5e6e94d555
https://doi.org/10.1039/c9nj00831d
https://doi.org/10.1039/c9nj00831d