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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN 印刷: 0040-2508
ISSN オンライン: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v65.i11.40
pages 1003-1014

Comparative Analysis of Singlet and Excited States of Xanthene and Oxazine Dyes

P.G. Dalchenko
Ukrainian Engineering and Pedagogical Academy 16, Universitetskaya St., Kharkiv
M. I. Dzyubenko
A.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
V. F. Pedash
V. Karazin National University of Kharkiv, 4, Svoboda Sq., Kharkiv, 61077, Ukraine
Yu. F. Pedash
V. Karazin National University of Kharkiv, 4, Svoboda Sq., Kharkiv, 61077, Ukraine

要約

Calculations of the exited states of ionic forms of xanthene and oxazine dyes are carried out in the π-electron approximation. Electron transition energies, their polarization and electron density redistribution in the exited states are evaluated. The use of charge transfer numbers allowed us to establish a genetic bond of exited singlet states of xantene and oxazine compounds. Quantitative characteristics of the donor activity of substituents (amine- and oxy-groups) are obtained and their contribution to the formation of excited terms is determined with the use of localization numbers.


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